Nonstop flight route between Aberdeen Proving Ground, Maryland, United States and Roundup, Montana, United States:
Departure Airport:
(39°27'57"N by 76°10'8"W)
Arrival Airport:
(46°28'30"N by 108°32'35"W)
Distance from APG to RPX:
1,693.46 miles (2,725.36 km)
Share this route:
Jump to:
- About this route
- APG Airport Information
- RPX Airport Information
- Facts about APG
- Facts about RPX
- Map of Nearest Airports to APG
- List of Nearest Airports to APG
- Map of Furthest Airports from APG
- List of Furthest Airports from APG
- Map of Nearest Airports to RPX
- List of Nearest Airports to RPX
- Map of Furthest Airports from RPX
- List of Furthest Airports from RPX
About this route:
A direct, nonstop flight between Phillips Army Airfield (APG), Aberdeen Proving Ground, Maryland, United States and Roundup Airport (RPX), Roundup, Montana, United States would travel a Great Circle distance of 1,693 miles (or 2,725 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 Phillips Army Airfield and Roundup Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | APG / KAPG |
| Airport Name: | Phillips Army Airfield |
| Location: | Aberdeen Proving Ground, Maryland, United States |
| GPS Coordinates: | 39°27'57"N by 76°10'8"W |
| Operator/Owner: | United States Army |
| Airport Type: | Military |
| Elevation: | 57 feet (17 meters) |
| # of Runways: | 3 |
| View all routes: | Routes from APG |
| More Information: | APG Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | RPX / KRPX |
| Airport Name: | Roundup Airport |
| Location: | Roundup, Montana, United States |
| GPS Coordinates: | 46°28'30"N by 108°32'35"W |
| Area Served: | Roundup, Montana |
| Operator/Owner: | City of Roundup & Musselshell County |
| Airport Type: | Public |
| Elevation: | 3490 feet (1,064 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from RPX |
| More Information: | RPX Maps & Info |
Facts about Phillips Army Airfield (APG):
- The closest airport to Phillips Army Airfield (APG) is Martin State Airport (MTN), which is located only 16 miles (26 kilometers) SW of APG.
- Phillips Army Airfield (APG) has 3 runways.
- Because of Phillips Army Airfield's relatively low elevation of 57 feet, planes can take off or land at Phillips Army Airfield 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 Phillips Army Airfield (APG) is Margaret River Airport (MGV), which is located 11,706 miles (18,838 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Roundup Airport (RPX):
- The closest airport to Roundup Airport (RPX) is Billings Logan International Airport (BIL), which is located 46 miles (74 kilometers) S of RPX.
- Roundup Airport (RPX) has 2 runways.
- The furthest airport from Roundup Airport (RPX) is Sir Gaëtan Duval Airport (RRG), which is located 10,535 miles (16,954 kilometers) away in Rodrigues Island, Mauritius.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.29 miles (26.22 km) SW | Martin State Airport (MTN) | Baltimore, Maryland, United States |     |
| 2 | 33.35 miles (53.67 km) ENE | Wilmington/Philadelphia Regional Airport (ILG) | Wilmington, Delaware, United States | |
| 3 | 33.41 miles (53.77 km) SW | Baltimore/Washington International Thurgood Marshall Airport (BWI) | between Baltimore, Maryland and Washington, D.C., United States | |
| 4 | 38.92 miles (62.64 km) NNE | Chester County G. O. Carlson Airport (CTH) | Coatesville, Pennsylvania, United States | |
| 5 | 41.11 miles (66.16 km) SW | Tipton Airport (FME) | Odenton, Maryland, United States | |
| 6 | 42.01 miles (67.61 km) SSW | Lee Airport (ANP) | Annapolis, Maryland, United States | |
| 7 | 44.30 miles (71.29 km) ESE | Dover Air Force Base (DOV) | Dover, Delaware, United States | |
| 8 | 45.82 miles (73.74 km) N | Lancaster Airport (LNS) | Lancaster, Pennsylvania, United States | |
| 9 | 46.05 miles (74.11 km) S | Easton Airport (ESN) | Easton, Maryland, United States | |
| 10 | 47.78 miles (76.90 km) NE | Brandywine Airport (OQN) | West Chester, Pennsylvania, United States | |
| 11 | 48.70 miles (78.38 km) NW | York Airport (THV) | York, Pennsylvania, United States | |
| 12 | 52.46 miles (84.42 km) SW | College Park Airport (CGS) | College Park, Maryland, United States | |
| 13 | 53.65 miles (86.34 km) ENE | Philadelphia Seaplane BaseChandler Field (PSQ) | Essington, Pennsylvania, United States | |
| 14 | 56.75 miles (91.34 km) ENE | Philadelphia International Airport (PHL) | Philadelphia, Pennsylvania, United States | |
| 15 | 57.13 miles (91.95 km) WSW | Montgomery County Airpark (GAI) | Gaithersburg, Maryland, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,705.51 miles (18,838.15 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,681.77 miles (18,799.93 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,668.29 miles (18,778.25 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,656.37 miles (18,759.07 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,607.68 miles (18,680.71 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 11,603.27 miles (18,673.60 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 7 | 11,592.28 miles (18,655.91 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 8 | 11,581.39 miles (18,638.39 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 9 | 11,573.86 miles (18,626.27 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 10 | 11,540.74 miles (18,572.97 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,473.78 miles (18,465.21 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,445.29 miles (18,419.36 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,427.36 miles (18,390.51 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 14 | 11,426.09 miles (18,388.47 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,363.94 miles (18,288.44 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 46.10 miles (74.19 km) S | Billings Logan International Airport (BIL) | Billings, Montana, United States | |
| 2 | 59.02 miles (94.99 km) NW | Lewistown Municipal Airport (LWT) | Lewistown, Montana, United States | |
| 3 | 95.49 miles (153.67 km) NE | Jordan Airport (JDN) | Jordan, Montana, United States | |
| 4 | 105.84 miles (170.33 km) WSW | Mission Field (LVM) | Livingston, Montana, United States | |
| 5 | 126.53 miles (203.63 km) E | Miles City Airport (MLS) | Miles City, Montana, United States | |
| 6 | 133.88 miles (215.46 km) WSW | Bozeman Yellowstone International Airport (BZN) | Bozeman, Montana, United States | |
| 7 | 137.05 miles (220.56 km) S | Yellowstone Regional Airport (COD) | Cody, Wyoming, United States | |
| 8 | 139.98 miles (225.28 km) SSE | Sheridan County Airport (SHR) | Sheridan, Wyoming, United States | |
| 9 | 143.48 miles (230.90 km) WNW | Malmstrom Air Force Base (GFA) | Great Falls, Montana, United States | |
| 10 | 150.20 miles (241.73 km) NE | Glasgow International Airport (GGW) | Glasgow, Montana, United States | |
| 11 | 150.36 miles (241.97 km) WNW | Great Falls International Airport (GTF) | Great Falls, Montana, United States | |
| 12 | 153.79 miles (247.50 km) NNW | Havre City-County Airport (HVR) | Havre, Montana, United States | |
| 13 | 163.70 miles (263.45 km) W | Helena Regional Airport (HLN) | Helena, Montana, United States | |
| 14 | 175.30 miles (282.12 km) SW | Yellowstone Airport (WYS) | West Yellowstone, Montana, United States | |
| 15 | 175.96 miles (283.18 km) S | Worland Municipal Airport (WRL) | Worland, Wyoming, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,534.71 miles (16,953.93 km) SSE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,479.36 miles (16,864.85 km) SSE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 3 | 10,476.57 miles (16,860.37 km) SSE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 4 | 10,454.31 miles (16,824.54 km) SSE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,433.23 miles (16,790.61 km) SE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 6 | 10,330.91 miles (16,625.95 km) SE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 7 | 10,261.65 miles (16,514.48 km) SE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 8 | 10,233.41 miles (16,469.03 km) SE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 10,132.24 miles (16,306.22 km) SE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 10 | 10,132.23 miles (16,306.21 km) SE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 11 | 10,116.24 miles (16,280.48 km) SE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 12 | 10,108.66 miles (16,268.28 km) SE | Toamasino Airport (TMM) | Toamasina, Madagascar | |
| 13 | 10,089.56 miles (16,237.54 km) SE | Ivato International Airport (TNR) | Antananarivo, Madagascar | |
| 14 | 10,066.19 miles (16,199.92 km) SE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |
| 15 | 10,059.04 miles (16,188.42 km) SE | Sainte Marie Airport (SMS) | Île Sainte-Marie, Madagascar | |