About this route:

A direct, nonstop flight between St. Mary's County Regional Airport (LTW), Leonardtown, Maryland, United States and Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States would travel a Great Circle distance of 1,237 miles (or 1,991 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 relatively short distance between St. Mary's County Regional Airport and Henry Post Army Airfield, the route shown on this map most likely still appears to be a straight line.

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: FSI / KFSI
Airport Name: Henry Post Army Airfield
Location: Fort Sill, Oklahoma, United States
GPS Coordinates: 34°38'58"N by 98°24'7"W
Operator/Owner: U.S. Army ATCA-ASO
Airport Type: Military
Elevation: 1189 feet (362 meters)
# of Runways: 1
View all routes: Routes from FSI
More Information: FSI Maps & Info

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

  • 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.
  • 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.
  • 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".
  • 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.
  • St. Mary's County Regional Airport (LTW) currently has only 1 runway.

Facts about Henry Post Army Airfield (FSI):

  • Henry Post AAF has one runway designated 17/35 with a concrete surface measuring 5,001 by 200 feet.
  • The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
  • The first Army aviation at Fort Sill began on 26 July 1915 when eight Curtiss JN-3 airplanes of the 1st Aero Squadron arrived from Rockwell Field, California.
  • The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
  • By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
  • After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
  • Henry Post Army Airfield (FSI) currently has only 1 runway.
  • The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.

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 Henry Post Army Airfield:

List of Nearest Airports to Henry Post Army Airfield:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
15.72 miles (9.20 km) SLawton–Fort Sill Regional Airport (LAW)Lawton, Oklahoma, United StatesView Lawton–Fort Sill Regional Airport on a map Set LAW as destination Airport Set LAW as destination Airport Get more information about Lawton–Fort Sill Regional Airport
228.03 miles (45.12 km) ESEHalliburton Field (DUC)Duncan, Oklahoma, United StatesView Halliburton Field on a map Set DUC as destination Airport Set DUC as destination Airport Get more information about Halliburton Field
338.98 miles (62.73 km) WSWFrederick Regional Airport (FDR)Frederick, Oklahoma, United StatesView Frederick Regional Airport on a map Set FDR as destination Airport Set FDR as destination Airport Get more information about Frederick Regional Airport
439.53 miles (63.61 km) NEChickasha Municipal Airport (CHK)Chickasha, Oklahoma, United StatesView Chickasha Municipal Airport on a map Set CHK as destination Airport Set CHK as destination Airport Get more information about Chickasha Municipal Airport
543.74 miles (70.39 km) WNWHobart Regional Airport (HBR)Hobart, Oklahoma, United StatesView Hobart Regional Airport on a map Set HBR as destination Airport Set HBR as destination Airport Get more information about Hobart Regional Airport
645.95 miles (73.94 km) SSheppard Air Force Base (SPS)Wichita Falls, Texas, United StatesView Sheppard Air Force Base on a map Set SPS as destination Airport Set SPS as destination Airport Get more information about Sheppard Air Force Base
749.22 miles (79.21 km) WAltus Air Force Base (LTS)Altus, Oklahoma, United StatesView Altus Air Force Base on a map Set LTS as destination Airport Set LTS as destination Airport Get more information about Altus Air Force Base
853.30 miles (85.78 km) WAltus/Quartz Mountain Regional Airport (AXS)Altus, Oklahoma, United StatesView Altus/Quartz Mountain Regional Airport on a map Set AXS as destination Airport Set AXS as destination Airport Get more information about Altus/Quartz Mountain Regional Airport
954.76 miles (88.12 km) SKickapoo Downtown Airport (KIP)Wichita Falls, Texas, United StatesView Kickapoo Downtown Airport on a map Set KIP as destination Airport Set KIP as destination Airport Get more information about Kickapoo Downtown Airport
1065.69 miles (105.71 km) NWClinton-Sherman Industrial Airpark (CSM)Clinton, Oklahoma, United StatesView Clinton-Sherman Industrial Airpark on a map Set CSM as destination Airport Set CSM as destination Airport Get more information about Clinton-Sherman Industrial Airpark
1166.85 miles (107.58 km) NEUniversity of Oklahoma Max Westheimer Airport (OUN)Norman, Oklahoma, United StatesView University of Oklahoma Max Westheimer Airport on a map Set OUN as destination Airport Set OUN as destination Airport Get more information about University of Oklahoma Max Westheimer Airport
1268.33 miles (109.96 km) NNWClinton Regional Airport (CLK)Clinton, Oklahoma, United StatesView Clinton Regional Airport on a map Set CLK as destination Airport Set CLK as destination Airport Get more information about Clinton Regional Airport
1368.51 miles (110.26 km) NEWill Rogers World Airport (OKC)Oklahoma City, Oklahoma, United StatesView Will Rogers World Airport on a map Set OKC as destination Airport Set OKC as destination Airport Get more information about Will Rogers World Airport
1474.55 miles (119.97 km) NEWiley Post Airport (PWA)Oklahoma City, Oklahoma, United StatesView Wiley Post Airport on a map Set PWA as destination Airport Set PWA as destination Airport Get more information about Wiley Post Airport
1578.07 miles (125.64 km) NETinker Air Force Base (TIK)Oklahoma City, Oklahoma, United StatesView Tinker Air Force Base on a map Set TIK as destination Airport Set TIK as destination Airport Get more information about Tinker Air Force Base

Map of Furthest Airports from Henry Post Army Airfield:

List of Furthest Airports from Henry Post Army Airfield:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,920.33 miles (17,574.52 km) SESir Gaëtan Duval Airport (RRG)Rodrigues Island, MauritiusView Sir Gaëtan Duval Airport on a map Set RRG as destination Airport Set RRG as destination Airport Get more information about Sir Gaëtan Duval Airport
210,680.39 miles (17,188.37 km) ESESir Seewoosagur Ramgoolam International Airport (MRU)Plaisance, MauritiusView Sir Seewoosagur Ramgoolam International Airport on a map Set MRU as destination Airport Set MRU as destination Airport Get more information about Sir Seewoosagur Ramgoolam International Airport
310,614.31 miles (17,082.03 km) SWCocos (Keeling) Island Airport (CCK)Cocos Islands, AustraliaView Cocos (Keeling) Island Airport on a map Set CCK as destination Airport Set CCK as destination Airport Get more information about Cocos (Keeling) Island Airport
410,601.93 miles (17,062.12 km) ESEPierrefonds Airport (ZSE)Saint-Pierre, RéunionView Pierrefonds Airport on a map Set ZSE as destination Airport Set ZSE as destination Airport Get more information about Pierrefonds Airport
510,589.08 miles (17,041.43 km) ESERoland Garros Airport (RUN)St Denis, Réunion, FranceView Roland Garros Airport on a map Set RUN as destination Airport Set RUN as destination Airport Get more information about Roland Garros Airport
610,532.55 miles (16,950.46 km) WMargaret River Airport (MGV)Margaret River, Western Australia, AustraliaView Margaret River Airport on a map Set MGV as destination Airport Set MGV as destination Airport Get more information about Margaret River Airport
710,512.35 miles (16,917.95 km) WBusselton Regional Airport (BQB)Busselton, Western Australia, AustraliaView Busselton Regional Airport on a map Set BQB as destination Airport Set BQB as destination Airport Get more information about Busselton Regional Airport
810,492.35 miles (16,885.76 km) WBunbury Airport (BUY)Bunbury, Western Australia, AustraliaView Bunbury Airport on a map Set BUY as destination Airport Set BUY as destination Airport Get more information about Bunbury Airport
910,478.49 miles (16,863.45 km) WManjimup Airport (MJP)Manjimup, Western Australia, AustraliaView Manjimup Airport on a map Set MJP as destination Airport Set MJP as destination Airport Get more information about Manjimup Airport
1010,478.05 miles (16,862.75 km) WRottnest Airport (RTS)Rottnest Island, Western Australia, AustraliaView Rottnest Airport on a map Set RTS as destination Airport Set RTS as destination Airport Get more information about Rottnest Airport
1110,472.77 miles (16,854.25 km) WJurien Bay Airport (JUR)Jurien Bay, Western Australia, AustraliaView Jurien Bay Airport on a map Set JUR as destination Airport Set JUR as destination Airport Get more information about Jurien Bay Airport
1210,460.30 miles (16,834.17 km) WJandakot Airport (JAD)Jandakot, Western Australia, AustraliaView Jandakot Airport on a map Set JAD as destination Airport Set JAD as destination Airport Get more information about Jandakot Airport
1310,458.62 miles (16,831.48 km) WGeraldton Airport (GET)Geraldton, Western Australia, AustraliaView Geraldton Airport on a map Set GET as destination Airport Set GET as destination Airport Get more information about Geraldton Airport
1410,456.31 miles (16,827.76 km) WKalbarri Airport (KAX)Kalbarri, Western Australia, AustraliaView Kalbarri Airport on a map Set KAX as destination Airport Set KAX as destination Airport Get more information about Kalbarri Airport
1510,452.67 miles (16,821.90 km) WPerth Airport (PER)Perth, Western Australia, AustraliaView Perth Airport on a map Set PER as destination Airport Set PER as destination Airport Get more information about Perth Airport