About this route:

A direct, nonstop flight between St. Mary's County Regional Airport (LTW), Leonardtown, Maryland, United States and Udon Thani International Airport ท่าอากาศยานอุดรธานี (UTH), Udon Thani, Thailand would travel a Great Circle distance of 8,588 miles (or 13,821 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between St. Mary's County Regional Airport and Udon Thani International Airport ท่าอากาศยานอุดรธานี, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between St. Mary's County Regional Airport and Udon Thani International Airport ท่าอากาศยานอุดรธานี. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

IATA / ICAO Codes: LTW /
Airport Names:
  1. St. Mary's County Regional Airport
  2. Capt. Walter Francis Duke Regional Airport
  3. none
  4. 2W6
Location: Leonardtown, Maryland, United States
GPS Coordinates: 38°18'55"N by 76°32'59"W
Airport Type: Public
Elevation: 142 feet (43 meters)
# of Runways: 1
View all routes: Routes from LTW
More Information: LTW Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: UTH / VTUD
Airport Name: Udon Thani International Airport ท่าอากาศยานอุดรธานี
Location: Udon Thani, Thailand
GPS Coordinates: 17°23'11"N by 102°47'17"E
Operator/Owner: Government
Airport Type: Public/Military
Elevation: 579 feet (176 meters)
# of Runways: 1
View all routes: Routes from UTH
More Information: UTH Maps & Info

Facts about St. Mary's County Regional Airport (LTW):

  • The closest airport to St. Mary's County Regional Airport (LTW) is Naval Air Station Patuxent River (NHK), which is located only 8 miles (12 kilometers) ESE of LTW.
  • St. Mary's County Regional Airport (LTW) currently has only 1 runway.
  • Because of St. Mary's County Regional Airport's relatively low elevation of 142 feet, planes can take off or land at St. Mary's County Regional Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • In addition to being known as "St. Mary's County Regional Airport", other names for LTW include "Capt. Walter Francis Duke Regional Airport", "none" and "2W6".
  • The furthest airport from St. Mary's County Regional Airport (LTW) is Margaret River Airport (MGV), which is located 11,720 miles (18,862 kilometers) away in Margaret River, Western Australia, Australia.

Facts about Udon Thani International Airport ท่าอากาศยานอุดรธานี (UTH):

  • The furthest airport from Udon Thani International Airport ท่าอากาศยานอุดรธานี (UTH) is Maria Reiche Neuman Airport (NZC), which is nearly antipodal to Udon Thani International Airport ท่าอากาศยานอุดรธานี (meaning Udon Thani International Airport ท่าอากาศยานอุดรธานี is almost on the exact opposite side of the Earth from Maria Reiche Neuman Airport), and is located 12,207 miles (19,645 kilometers) away in Nazca, Ica Region, Peru.
  • Udon Thani International Airport ท่าอากาศยานอุดรธานี (UTH) currently has only 1 runway.
  • Because of Udon Thani International Airport ท่าอากาศยานอุดรธานี's relatively low elevation of 579 feet, planes can take off or land at Udon Thani International Airport ท่าอากาศยานอุดรธานี at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • Udon Thani International Airport is an airport located near the city of Udon Thani in Udon Thani Province in the northeast region of Thailand.
  • As well as being a commercial facility, Udon Thani International Airport is also an active Royal Thai Air Force base, the home of Wing 23, 2nd Air Division Air Combat Command.
  • The closest airport to Udon Thani International Airport ท่าอากาศยานอุดรธานี (UTH) is Wattay International Airport (VTE), which is located 44 miles (71 kilometers) NNW of UTH.

Map of Nearest Airports to St. Mary's County Regional Airport:

List of Nearest Airports to St. Mary's County Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
17.77 miles (12.50 km) ESENaval Air Station Patuxent River (NHK)Patuxent River, Maryland, United StatesView Naval Air Station Patuxent River on a map Set NHK as origin Airport Set NHK as destination Airport Get more information about Naval Air Station Patuxent River
232.11 miles (51.68 km) ENECambridge–Dorchester Airport (CGE)Cambridge, Maryland, United StatesView Cambridge–Dorchester Airport on a map Set CGE as origin Airport Set CGE as destination Airport Get more information about Cambridge–Dorchester Airport
338.28 miles (61.61 km) NNWAndrews Field (ADW)Camp Springs, Maryland, United StatesView Andrews Field on a map Set ADW as origin Airport Set ADW as destination Airport Get more information about Andrews Field
442.62 miles (68.59 km) NEEaston Airport (ESN)Easton, Maryland, United StatesView Easton Airport on a map Set ESN as origin Airport Set ESN as destination Airport Get more information about Easton Airport
543.37 miles (69.79 km) NLee Airport (ANP)Annapolis, Maryland, United StatesView Lee Airport on a map Set ANP as origin Airport Set ANP as destination Airport Get more information about Lee Airport
643.90 miles (70.64 km) NWDavison Army Airfield (DAA)Fort Belvoir, Virginia, United StatesView Davison Army Airfield on a map Set DAA as origin Airport Set DAA as destination Airport Get more information about Davison Army Airfield
744.30 miles (71.29 km) NWBolling Air Force Base (BOF)Washington, D.C., United StatesView Bolling Air Force Base on a map Set BOF as origin Airport Set BOF as destination Airport Get more information about Bolling Air Force Base
845.06 miles (72.52 km) WSWA.P. Hill Army Airfield (APH)Fort A.P. Hill, Virginia, United StatesView A.P. Hill Army Airfield on a map Set APH as origin Airport Set APH as destination Airport Get more information about A.P. Hill Army Airfield
945.50 miles (73.23 km) NWRonald Reagan Washington National Airport (DCA)Arlington County, Virginia (near Washington, D.C.), United StatesView Ronald Reagan Washington National Airport on a map Set DCA as origin Airport Set DCA as destination Airport Get more information about Ronald Reagan Washington National Airport
1050.17 miles (80.73 km) NNWCollege Park Airport (CGS)College Park, Maryland, United StatesView College Park Airport on a map Set CGS as origin Airport Set CGS as destination Airport Get more information about College Park Airport
1154.39 miles (87.53 km) NNWTipton Airport (FME)Odenton, Maryland, United StatesView Tipton Airport on a map Set FME as origin Airport Set FME as destination Airport Get more information about Tipton Airport
1256.43 miles (90.81 km) ESalisbury-Ocean City: Wicomico Regional Airport (SBY)Salisbury, Maryland, United StatesView Salisbury-Ocean City: Wicomico Regional Airport on a map Set SBY as origin Airport Set SBY as destination Airport Get more information about Salisbury-Ocean City: Wicomico Regional Airport
1359.26 miles (95.37 km) WNWManassas Regional Airport (HEF)Manassas, Virginia, United StatesView Manassas Regional Airport on a map Set HEF as origin Airport Set HEF as destination Airport Get more information about Manassas Regional Airport
1459.26 miles (95.37 km) WNWManassas Regional Airport (MNZ)Manassas, Virginia, United StatesView Manassas Regional Airport on a map Set MNZ as origin Airport Set MNZ as destination Airport Get more information about Manassas Regional Airport
1559.76 miles (96.18 km) NBaltimore/Washington International Thurgood Marshall Airport (BWI)between Baltimore, Maryland and Washington, D.C., United StatesView Baltimore/Washington International Thurgood Marshall Airport on a map Set BWI as origin Airport Set BWI as destination Airport Get more information about Baltimore/Washington International Thurgood Marshall Airport

Map of Furthest Airports from St. Mary's County Regional Airport:

List of Furthest Airports from St. Mary's County Regional Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,720.20 miles (18,861.79 km) WSWMargaret River Airport (MGV)Margaret River, Western Australia, AustraliaView Margaret River Airport on a map Set MGV as origin Airport Set MGV as destination Airport Get more information about Margaret River Airport
211,697.03 miles (18,824.49 km) WSWBusselton Regional Airport (BQB)Busselton, Western Australia, AustraliaView Busselton Regional Airport on a map Set BQB as origin Airport Set BQB as destination Airport Get more information about Busselton Regional Airport
311,677.51 miles (18,793.08 km) WSWManjimup Airport (MJP)Manjimup, Western Australia, AustraliaView Manjimup Airport on a map Set MJP as origin Airport Set MJP as destination Airport Get more information about Manjimup Airport
411,672.64 miles (18,785.24 km) WSWBunbury Airport (BUY)Bunbury, Western Australia, AustraliaView Bunbury Airport on a map Set BUY as origin Airport Set BUY as destination Airport Get more information about Bunbury Airport
511,627.72 miles (18,712.96 km) WSWRottnest Airport (RTS)Rottnest Island, Western Australia, AustraliaView Rottnest Airport on a map Set RTS as origin Airport Set RTS as destination Airport Get more information about Rottnest Airport
611,615.07 miles (18,692.60 km) WSWJandakot Airport (JAD)Jandakot, Western Australia, AustraliaView Jandakot Airport on a map Set JAD as origin Airport Set JAD as destination Airport Get more information about Jandakot Airport
711,608.24 miles (18,681.61 km) WSWAlbany Airport (ALH)Albany, Western Australia, AustraliaView Albany Airport on a map Set ALH as origin Airport Set ALH as destination Airport Get more information about Albany Airport
811,604.71 miles (18,675.92 km) WSWPerth Airport (PER)Perth, Western Australia, AustraliaView Perth Airport on a map Set PER as origin Airport Set PER as destination Airport Get more information about Perth Airport
911,582.36 miles (18,639.95 km) WSWKatanning Airport (KNI)Katanning, Western Australia, AustraliaView Katanning Airport on a map Set KNI as origin Airport Set KNI as destination Airport Get more information about Katanning Airport
1011,574.88 miles (18,627.91 km) SWJurien Bay Airport (JUR)Jurien Bay, Western Australia, AustraliaView Jurien Bay Airport on a map Set JUR as origin Airport Set JUR as destination Airport Get more information about Jurien Bay Airport
1111,514.80 miles (18,531.23 km) SWGeraldton Airport (GET)Geraldton, Western Australia, AustraliaView Geraldton Airport on a map Set GET as origin Airport Set GET as destination Airport Get more information about Geraldton Airport
1211,480.32 miles (18,475.74 km) SWMorawa Airport (MWB)Morawa, Western Australia, AustraliaView Morawa Airport on a map Set MWB as origin Airport Set MWB as destination Airport Get more information about Morawa Airport
1311,473.35 miles (18,464.52 km) SWKalbarri Airport (KAX)Kalbarri, Western Australia, AustraliaView Kalbarri Airport on a map Set KAX as origin Airport Set KAX as destination Airport Get more information about Kalbarri Airport
1411,465.36 miles (18,451.67 km) SWMullewa Airport (MXU)Mullewa, Western Australia, AustraliaView Mullewa Airport on a map Set MXU as origin Airport Set MXU as destination Airport Get more information about Mullewa Airport
1511,395.33 miles (18,338.97 km) SWShark Bay Airport (MJK)Monkey Mia, Western Australia, AustraliaView Shark Bay Airport on a map Set MJK as origin Airport Set MJK as destination Airport Get more information about Shark Bay Airport

Map of Nearest Airports to Udon Thani International Airport ท่าอากาศยานอุดรธานี:

List of Nearest Airports to Udon Thani International Airport ท่าอากาศยานอุดรธานี:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
144.15 miles (71.05 km) NNWWattay International Airport (VTE)Vientiane, LaosView Wattay International Airport on a map Set VTE as destination Airport Set VTE as destination Airport Get more information about Wattay International Airport
263.55 miles (102.27 km) SKhon Kaen Airport (KKC)Khon Kaen, ThailandView Khon Kaen Airport on a map Set KKC as destination Airport Set KKC as destination Airport Get more information about Khon Kaen Airport
370.40 miles (113.29 km) WLoei Airport (LOE)Loei, ThailandView Loei Airport on a map Set LOE as destination Airport Set LOE as destination Airport Get more information about Loei Airport
4116.15 miles (186.92 km) WSWPhetchabun Airport (PHY)Phetchabun, ThailandView Phetchabun Airport on a map Set PHY as destination Airport Set PHY as destination Airport Get more information about Phetchabun Airport
5122.29 miles (196.81 km) ENakhon Phanom Airport (KOP)Nakhon Phanom, ThailandView Nakhon Phanom Airport on a map Set KOP as destination Airport Set KOP as destination Airport Get more information about Nakhon Phanom Airport
6142.31 miles (229.03 km) ESESavannakhet Airport (ZVK)Savannakhet, LaosView Savannakhet Airport on a map Set ZVK as destination Airport Set ZVK as destination Airport Get more information about Savannakhet Airport
7144.07 miles (231.86 km) NXieng Khouang Airport (XKH)Xieng Khouang, LaosView Xieng Khouang Airport on a map Set XKH as destination Airport Set XKH as destination Airport Get more information about Xieng Khouang Airport
8145.16 miles (233.61 km) NNWSayaboury Airport (ZBY)Sayaboury, LaosView Sayaboury Airport on a map Set ZBY as destination Airport Set ZBY as destination Airport Get more information about Sayaboury Airport
9152.16 miles (244.87 km) SSEBuriram Airport (BFV)Buriram (Buri Ram), ThailandView Buriram Airport on a map Set BFV as destination Airport Set BFV as destination Airport Get more information about Buriram Airport
10171.31 miles (275.70 km) SNakhon Ratchasima Airport (NAK)Nakhon Ratchasima, ThailandView Nakhon Ratchasima Airport on a map Set NAK as destination Airport Set NAK as destination Airport Get more information about Nakhon Ratchasima Airport
11178.28 miles (286.91 km) NNWLuang Prabang International Airport (LPQ)Luang Prabang, LaosView Luang Prabang International Airport on a map Set LPQ as destination Airport Set LPQ as destination Airport Get more information about Luang Prabang International Airport
12180.14 miles (289.91 km) WNWPhrae Airport (PRH)Phrae, ThailandView Phrae Airport on a map Set PRH as destination Airport Set PRH as destination Airport Get more information about Phrae Airport
13196.20 miles (315.75 km) WSukhothai Airport (THS)Sukhothai, ThailandView Sukhothai Airport on a map Set THS as destination Airport Set THS as destination Airport Get more information about Sukhothai Airport
14202.03 miles (325.14 km) SEUbon Ratchathani Airport ท่าอากาศยานอุบลราชธานี (UBP)Ubon Ratchathani, ThailandView Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี on a map Set UBP as destination Airport Set UBP as destination Airport Get more information about Ubon Ratchathani Airport ท่าอากาศยานอุบลราชธานี
15211.08 miles (339.70 km) ENEVinh Airport (VII)Vinh, Nghe An, VietnamView Vinh Airport on a map Set VII as destination Airport Set VII as destination Airport Get more information about Vinh Airport

Map of Furthest Airports from Udon Thani International Airport ท่าอากาศยานอุดรธานี:

List of Furthest Airports from Udon Thani International Airport ท่าอากาศยานอุดรธานี:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112,206.75 miles (19,644.81 km) SWMaria Reiche Neuman Airport (NZC)Nazca, Ica Region, PeruView Maria Reiche Neuman Airport on a map Set NZC as destination Airport Set NZC as destination Airport Get more information about Maria Reiche Neuman Airport
212,176.70 miles (19,596.45 km) SSWCapitán FAP Renán Elías Olivera International Airport (PIO)Pisco, PeruView Capitán FAP Renán Elías Olivera International Airport on a map Set PIO as destination Airport Set PIO as destination Airport Get more information about Capitán FAP Renán Elías Olivera International Airport
312,082.33 miles (19,444.58 km) SWCoronel FAP Alfredo Mendívil Duarte Airport (AYP)Ayacucho, PeruView Coronel FAP Alfredo Mendívil Duarte Airport on a map Set AYP as destination Airport Set AYP as destination Airport Get more information about Coronel FAP Alfredo Mendívil Duarte Airport
412,082.33 miles (19,444.58 km) SWCoronel FAP Alfredo Mendívil Duarte Airport (AYC)Ayacucho, PeruView Coronel FAP Alfredo Mendívil Duarte Airport on a map Set AYC as destination Airport Set AYC as destination Airport Get more information about Coronel FAP Alfredo Mendívil Duarte Airport
512,075.72 miles (19,433.94 km) SWAndahuaylas Airport (ANS)Andahuaylas, PeruView Andahuaylas Airport on a map Set ANS as destination Airport Set ANS as destination Airport Get more information about Andahuaylas Airport
612,066.09 miles (19,418.45 km) SJorge Chávez International Airport (LIM)Callao (near Lima), PeruView Jorge Chávez International Airport on a map Set LIM as destination Airport Set LIM as destination Airport Get more information about Jorge Chávez International Airport
712,057.70 miles (19,404.94 km) WRodríguez Ballón International Airport (AQP)Arequipa, PeruView Rodríguez Ballón International Airport on a map Set AQP as destination Airport Set AQP as destination Airport Get more information about Rodríguez Ballón International Airport
812,049.65 miles (19,391.99 km) WIlo Airport (ILQ)Ilo, Moquegua Region, PeruView Ilo Airport on a map Set ILQ as destination Airport Set ILQ as destination Airport Get more information about Ilo Airport
912,032.59 miles (19,364.53 km) SSWJauja AirportFrancisco Carle Airport (JAU)Jauja, PeruView Jauja AirportFrancisco Carle Airport on a map Set JAU as destination Airport Set JAU as destination Airport Get more information about Jauja AirportFrancisco Carle Airport
1011,996.57 miles (19,306.56 km) SWAlejandro Velasco Astete International Airport (CUZ)Cusco, Cusco Region, PeruView Alejandro Velasco Astete International Airport on a map Set CUZ as destination Airport Set CUZ as destination Airport Get more information about Alejandro Velasco Astete International Airport
1111,979.99 miles (19,279.88 km) WChacalluta International Airport (ARI)Arica, ChileView Chacalluta International Airport on a map Set ARI as destination Airport Set ARI as destination Airport Get more information about Chacalluta International Airport
1211,979.99 miles (19,279.88 km) WChacalluta International Airport (ACM)Arica, Amazonas, ColombiaView Chacalluta International Airport on a map Set ACM as destination Airport Set ACM as destination Airport Get more information about Chacalluta International Airport
1311,950.93 miles (19,233.12 km) WSWInca Manco Cápac International Airport (JUL)Juliaca, PeruView Inca Manco Cápac International Airport on a map Set JUL as destination Airport Set JUL as destination Airport Get more information about Inca Manco Cápac International Airport
1411,928.59 miles (19,197.16 km) WSWDiego Aracena International Airport (IQQ)Iquique, ChileView Diego Aracena International Airport on a map Set IQQ as destination Airport Set IQQ as destination Airport Get more information about Diego Aracena International Airport
1511,913.69 miles (19,173.19 km) SAlf. FAP David Figueroa Fernandini (HUU)Huánuco, Huánuco Region, PeruView Alf. FAP David Figueroa Fernandini on a map Set HUU as destination Airport Set HUU as destination Airport Get more information about Alf. FAP David Figueroa Fernandini