About this route:

A direct, nonstop flight between Decatur Airport (DEC), Decatur, Illinois, United States and Montgomery County Airpark (GAI), Gaithersburg, Maryland, United States would travel a Great Circle distance of 625 miles (or 1,006 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 Decatur Airport and Montgomery County Airpark, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

IATA / ICAO Codes: DEC / KDEC
Airport Name: Decatur Airport
Location: Decatur, Illinois, United States
GPS Coordinates: 39°50'3"N by 88°51'56"W
Area Served: Decatur, Illinois
Operator/Owner: Decatur Park District
Airport Type: Public
Elevation: 682 feet (208 meters)
# of Runways: 3
View all routes: Routes from DEC
More Information: DEC Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: GAI / KGAI
Airport Name: Montgomery County Airpark
Location: Gaithersburg, Maryland, United States
GPS Coordinates: 39°10'5"N by 77°9'57"W
Operator/Owner: Montgomery County Revenue Authority
Airport Type: Public
Elevation: 539 feet (164 meters)
# of Runways: 1
View all routes: Routes from GAI
More Information: GAI Maps & Info

Facts about Decatur Airport (DEC):

  • Decatur Airport (DEC) has 3 runways.
  • The Illinois Army National Guard has an Army Aviation Support Facility at the airport.
  • The closest airport to Decatur Airport (DEC) is University of Illinois Willard Airport (CMI), which is located 34 miles (55 kilometers) ENE of DEC.
  • The furthest airport from Decatur Airport (DEC) is Margaret River Airport (MGV), which is located 11,056 miles (17,793 kilometers) away in Margaret River, Western Australia, Australia.
  • Because of Decatur Airport's relatively low elevation of 682 feet, planes can take off or land at Decatur 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.
  • Federal Aviation Administration records say the airport had 1,232 passenger boardings in calendar year 2008, 672 in 2009 and 2,456 in 2010.

Facts about Montgomery County Airpark (GAI):

  • The closest airport to Montgomery County Airpark (GAI) is College Park Airport (CGS), which is located only 18 miles (30 kilometers) SE of GAI.
  • Montgomery County Airpark (GAI) currently has only 1 runway.
  • Because of Montgomery County Airpark's relatively low elevation of 539 feet, planes can take off or land at Montgomery County Airpark 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.
  • The furthest airport from Montgomery County Airpark (GAI) is Margaret River Airport (MGV), which is located 11,667 miles (18,776 kilometers) away in Margaret River, Western Australia, Australia.

Map of Nearest Airports to Decatur Airport:

List of Nearest Airports to Decatur Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
134.19 miles (55.02 km) ENEUniversity of Illinois Willard Airport (CMI)Champaign-Urbana, Illinois, United StatesView University of Illinois Willard Airport on a map Set CMI as origin Airport Set CMI as destination Airport Get more information about University of Illinois Willard Airport
239.74 miles (63.96 km) SEColes County Memorial Airport (MTO)Mattoon/Charleston, Illinois, United StatesView Coles County Memorial Airport on a map Set MTO as origin Airport Set MTO as destination Airport Get more information about Coles County Memorial Airport
343.11 miles (69.38 km) WAbraham Lincoln Capital Airport (SPI)Springfield, Illinois, United StatesView Abraham Lincoln Capital Airport on a map Set SPI as origin Airport Set SPI as destination Airport Get more information about Abraham Lincoln Capital Airport
444.49 miles (71.60 km) NCentral Illinois Regional Airport at Bloomington-Normal (BMI)Bloomington, Illinois, United StatesView Central Illinois Regional Airport at Bloomington-Normal on a map Set BMI as origin Airport Set BMI as destination Airport Get more information about Central Illinois Regional Airport at Bloomington-Normal
571.77 miles (115.50 km) ENEVermilion Regional Airport (DNV)Danville, Illinois, United StatesView Vermilion Regional Airport on a map Set DNV as origin Airport Set DNV as destination Airport Get more information about Vermilion Regional Airport
672.06 miles (115.96 km) NWGeneral Wayne A. Downing Peoria International Airport (PIA)Peoria, Illinois, United StatesView General Wayne A. Downing Peoria International Airport on a map Set PIA as origin Airport Set PIA as destination Airport Get more information about General Wayne A. Downing Peoria International Airport
774.24 miles (119.47 km) SSWGreenville Airport (GRE)Greenville, Illinois, United StatesView Greenville Airport on a map Set GRE as origin Airport Set GRE as destination Airport Get more information about Greenville Airport
882.50 miles (132.78 km) SSalem–Leckrone Airport (SLO)Salem, Illinois, United StatesView Salem–Leckrone Airport on a map Set SLO as origin Airport Set SLO as destination Airport Get more information about Salem–Leckrone Airport
987.02 miles (140.04 km) ESETerre Haute International Airport Hulman Field (HUF)Terre Haute, Indiana, United StatesView Terre Haute International Airport Hulman Field on a map Set HUF as origin Airport Set HUF as destination Airport Get more information about Terre Haute International Airport Hulman Field
1090.48 miles (145.61 km) ESESullivan County Airport (SIV)Sullivan, Indiana, United StatesView Sullivan County Airport on a map Set SIV as origin Airport Set SIV as destination Airport Get more information about Sullivan County Airport
1190.73 miles (146.02 km) SWSt. Louis Regional Airport (ALN)Alton, Illinois, United StatesView St. Louis Regional Airport on a map Set ALN as origin Airport Set ALN as destination Airport Get more information about St. Louis Regional Airport
1299.06 miles (159.42 km) NEKentland Municipal Airport (KKT)Kentland, Indiana, United StatesView Kentland Municipal Airport on a map Set KKT as origin Airport Set KKT as destination Airport Get more information about Kentland Municipal Airport
1399.70 miles (160.45 km) SEEd-Air Airport (OTN)Oaktown, Indiana, United StatesView Ed-Air Airport on a map Set OTN as origin Airport Set OTN as destination Airport Get more information about Ed-Air Airport
14100.03 miles (160.99 km) SELawrenceville–Vincennes International Airport (LWV)Lawrenceville, Illinois, United StatesView Lawrenceville–Vincennes International Airport on a map Set LWV as origin Airport Set LWV as destination Airport Get more information about Lawrenceville–Vincennes International Airport
15100.87 miles (162.34 km) NNEGreater Kankakee Airport (IKK)Kankakee, Illinois, United StatesView Greater Kankakee Airport on a map Set IKK as origin Airport Set IKK as destination Airport Get more information about Greater Kankakee Airport

Map of Furthest Airports from Decatur Airport:

List of Furthest Airports from Decatur Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,055.79 miles (17,792.53 km) WMargaret 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
211,033.16 miles (17,756.11 km) WBusselton 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
311,010.48 miles (17,719.61 km) WManjimup 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
411,009.70 miles (17,718.36 km) WBunbury 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
510,973.92 miles (17,660.77 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
610,959.31 miles (17,637.25 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
710,949.73 miles (17,621.83 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
810,939.97 miles (17,606.14 km) WAlbany 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
910,938.75 miles (17,604.17 km) WSWJurien 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
1010,915.31 miles (17,566.45 km) WKatanning 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
1110,897.41 miles (17,537.64 km) WSWGeraldton 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
1210,873.03 miles (17,498.40 km) WSWKalbarri 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
1310,848.43 miles (17,458.81 km) WSWMorawa 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
1410,844.55 miles (17,452.57 km) WSWMullewa 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
1510,824.71 miles (17,420.65 km) WSWShark 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 Montgomery County Airpark:

List of Nearest Airports to Montgomery County Airpark:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
118.42 miles (29.64 km) SECollege Park Airport (CGS)College Park, Maryland, United StatesView College Park Airport on a map Set CGS as destination Airport Set CGS as destination Airport Get more information about College Park Airport
220.51 miles (33.01 km) NNWFrederick Municipal Airport (FDK)Frederick, Maryland, United StatesView Frederick Municipal Airport on a map Set FDK as destination Airport Set FDK as destination Airport Get more information about Frederick Municipal Airport
321.89 miles (35.23 km) WSWLeesburg Executive Airport (JYO)Leesburg, Virginia, United StatesView Leesburg Executive Airport on a map Set JYO as destination Airport Set JYO as destination Airport Get more information about Leesburg Executive Airport
421.93 miles (35.30 km) SWWashington Dulles International Airport (IAD)Washington, D.C. / Virginia, United StatesView Washington Dulles International Airport on a map Set IAD as destination Airport Set IAD as destination Airport Get more information about Washington Dulles International Airport
522.53 miles (36.27 km) ESETipton Airport (FME)Odenton, Maryland, United StatesView Tipton Airport on a map Set FME as destination Airport Set FME as destination Airport Get more information about Tipton Airport
622.90 miles (36.85 km) SSERonald 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 destination Airport Set DCA as destination Airport Get more information about Ronald Reagan Washington National Airport
723.89 miles (38.45 km) SSEBolling Air Force Base (BOF)Washington, D.C., United StatesView Bolling Air Force Base on a map Set BOF as destination Airport Set BOF as destination Airport Get more information about Bolling Air Force Base
826.66 miles (42.91 km) EBaltimore/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 destination Airport Set BWI as destination Airport Get more information about Baltimore/Washington International Thurgood Marshall Airport
929.46 miles (47.42 km) SSEAndrews Field (ADW)Camp Springs, Maryland, United StatesView Andrews Field on a map Set ADW as destination Airport Set ADW as destination Airport Get more information about Andrews Field
1031.33 miles (50.42 km) SDavison Army Airfield (DAA)Fort Belvoir, Virginia, United StatesView Davison Army Airfield on a map Set DAA as destination Airport Set DAA as destination Airport Get more information about Davison Army Airfield
1135.65 miles (57.38 km) ESELee Airport (ANP)Annapolis, Maryland, United StatesView Lee Airport on a map Set ANP as destination Airport Set ANP as destination Airport Get more information about Lee Airport
1236.14 miles (58.17 km) SSWManassas Regional Airport (HEF)Manassas, Virginia, United StatesView Manassas Regional Airport on a map Set HEF as destination Airport Set HEF as destination Airport Get more information about Manassas Regional Airport
1336.14 miles (58.17 km) SSWManassas Regional Airport (MNZ)Manassas, Virginia, United StatesView Manassas Regional Airport on a map Set MNZ as destination Airport Set MNZ as destination Airport Get more information about Manassas Regional Airport
1441.68 miles (67.08 km) ENEMartin State Airport (MTN)Baltimore, Maryland, United StatesView Martin State Airport on a map Set MTN as destination Airport Set MTN as destination Airport Get more information about Martin State Airport
1546.66 miles (75.10 km) WNWEastern WV Regional Airport (MRB)Martinsburg, West Virginia, United StatesView Eastern WV Regional Airport on a map Set MRB as destination Airport Set MRB as destination Airport Get more information about Eastern WV Regional Airport

Map of Furthest Airports from Montgomery County Airpark:

List of Furthest Airports from Montgomery County Airpark:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
111,666.70 miles (18,775.69 km) WSWMargaret 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
211,643.21 miles (18,737.88 km) WSWBusselton 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
311,626.78 miles (18,711.44 km) WSWManjimup 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
411,618.29 miles (18,697.78 km) WSWBunbury 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
511,569.54 miles (18,619.33 km) WSWRottnest 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
611,562.29 miles (18,607.65 km) WSWAlbany Airport (ALH)Albany, Western Australia, AustraliaView Albany Airport on a map Set ALH as destination Airport Set ALH as destination Airport Get more information about Albany Airport
711,557.61 miles (18,600.12 km) WSWJandakot 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
811,547.00 miles (18,583.04 km) WSWPerth 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
911,531.89 miles (18,558.73 km) WSWKatanning Airport (KNI)Katanning, Western Australia, AustraliaView Katanning Airport on a map Set KNI as destination Airport Set KNI as destination Airport Get more information about Katanning Airport
1011,512.82 miles (18,528.04 km) SWJurien 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
1111,450.47 miles (18,427.70 km) SWGeraldton 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
1211,417.88 miles (18,375.26 km) SWMorawa Airport (MWB)Morawa, Western Australia, AustraliaView Morawa Airport on a map Set MWB as destination Airport Set MWB as destination Airport Get more information about Morawa Airport
1311,407.68 miles (18,358.84 km) SWKalbarri 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
1411,401.53 miles (18,348.94 km) SWMullewa Airport (MXU)Mullewa, Western Australia, AustraliaView Mullewa Airport on a map Set MXU as destination Airport Set MXU as destination Airport Get more information about Mullewa Airport
1511,328.35 miles (18,231.17 km) SWShark Bay Airport (MJK)Monkey Mia, Western Australia, AustraliaView Shark Bay Airport on a map Set MJK as destination Airport Set MJK as destination Airport Get more information about Shark Bay Airport