Nonstop flight route between Helena, Montana, United States and Fort Greely, Delta Junction, Alaska, United States:
Departure Airport:
(46°36'24"N by 111°58'58"W)
Arrival Airport:
(63°59'43"N by 145°43'11"W)
Distance from HLN to BIG:
1,752.77 miles (2,820.80 km)
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Jump to:
- About this route
- HLN Airport Information
- BIG Airport Information
- Facts about HLN
- Facts about BIG
- Map of Nearest Airports to HLN
- List of Nearest Airports to HLN
- Map of Furthest Airports from HLN
- List of Furthest Airports from HLN
- Map of Nearest Airports to BIG
- List of Nearest Airports to BIG
- Map of Furthest Airports from BIG
- List of Furthest Airports from BIG
About this route:
A direct, nonstop flight between Helena Regional Airport (HLN), Helena, Montana, United States and Allen Army Airfield (BIG), Fort Greely, Delta Junction, Alaska, United States would travel a Great Circle distance of 1,753 miles (or 2,821 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 relatively short distance between Helena Regional Airport and Allen Army Airfield, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | HLN / KHLN |
| Airport Names: |
|
| Location: | Helena, Montana, United States |
| GPS Coordinates: | 46°36'24"N by 111°58'58"W |
| Area Served: | Helena, Montana |
| Operator/Owner: | Helena Regional Airport Authority |
| Airport Type: | Public |
| Elevation: | 3877 feet (1,182 meters) |
| # of Runways: | 3 |
| View all routes: | Routes from HLN |
| More Information: | HLN Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | BIG / PABI |
| Airport Names: |
|
| Location: | Fort Greely, Delta Junction, Alaska, United States |
| GPS Coordinates: | 63°59'43"N by 145°43'11"W |
| Area Served: | Fort Greely, Alaska |
| Operator/Owner: | United States Army |
| Airport Type: | Public / Military |
| Elevation: | 1291 feet (393 meters) |
| # of Runways: | 3 |
| View all routes: | Routes from BIG |
| More Information: | BIG Maps & Info |
Facts about Helena Regional Airport (HLN):
- The furthest airport from Helena Regional Airport (HLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,563 miles (17,000 kilometers) away in Rodrigues Island, Mauritius.
- In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
- The closest airport to Helena Regional Airport (HLN) is Bert Mooney Airport (BTM), which is located 51 miles (83 kilometers) SSW of HLN.
- Helena Regional Airport (HLN) has 3 runways.
- The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport.Federal Aviation Administration records say the airport had 85,649 passenger boardings in calendar year 2008, 88,314 in 2009 and 98,193 in 2010.
Facts about Allen Army Airfield (BIG):
- Established in 1942 as Big Delta Army Airfield, it was named for river delta formed by the confluence of the Delta River and the Tanana River.
- The closest airport to Allen Army Airfield (BIG) is Delta Junction Airport (DJN), which is located only 4 miles (6 kilometers) N of BIG.
- Allen Army Airfield (BIG) has 3 runways.
- The furthest airport from Allen Army Airfield (BIG) is Port Elizabeth International Airport (PLZ), which is located 10,331 miles (16,625 kilometers) away in Port Elizabeth, South Africa.
- In addition to being known as "Allen Army Airfield", another name for BIG is "(former Big Delta Army Airfield)".
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 51.31 miles (82.58 km) SSW | Bert Mooney Airport (BTM) | Butte, Montana, United States |     |
| 2 | 67.05 miles (107.90 km) NNE | Great Falls International Airport (GTF) | Great Falls, Montana, United States | |
| 3 | 69.72 miles (112.21 km) SE | Bozeman Yellowstone International Airport (BZN) | Bozeman, Montana, United States | |
| 4 | 72.47 miles (116.63 km) NNE | Malmstrom Air Force Base (GFA) | Great Falls, Montana, United States | |
| 5 | 96.56 miles (155.40 km) SE | Mission Field (LVM) | Livingston, Montana, United States | |
| 6 | 97.30 miles (156.59 km) SSW | Dillon Airport (DLN) | Dillon, Montana, United States | |
| 7 | 102.03 miles (164.20 km) WNW | Missoula International Airport (MSO) | Missoula, Montana, United States | |
| 8 | 122.80 miles (197.63 km) ENE | Lewistown Municipal Airport (LWT) | Lewistown, Montana, United States | |
| 9 | 133.72 miles (215.20 km) N | Shelby Airport (SBX) | Shelby, Montana, United States | |
| 10 | 137.25 miles (220.89 km) SW | Lemhi County Airport (SMN) | Salmon, Idaho, United States | |
| 11 | 138.97 miles (223.65 km) SSE | Yellowstone Airport (WYS) | West Yellowstone, Montana, United States | |
| 12 | 139.51 miles (224.52 km) N | Cut Bank Municipal AirportCut Bank Army Air Field (CTB) | Cut Bank, Montana, United States | |
| 13 | 158.54 miles (255.14 km) NW | Glacier Park International Airport (FCA) | Kalispell, Montana, United States | |
| 14 | 163.70 miles (263.45 km) E | Roundup Airport (RPX) | Roundup, Montana, United States | |
| 15 | 169.14 miles (272.20 km) NE | Havre City-County Airport (HVR) | Havre, Montana, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,563.08 miles (16,999.59 km) S | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,552.15 miles (16,981.99 km) SSE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 3 | 10,548.64 miles (16,976.36 km) SE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 4 | 10,536.59 miles (16,956.96 km) SSE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 5 | 10,525.82 miles (16,939.62 km) SSE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 6 | 10,452.26 miles (16,821.24 km) SE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 7 | 10,363.52 miles (16,678.43 km) SE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 8 | 10,340.10 miles (16,640.74 km) SE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 10,252.07 miles (16,499.06 km) SE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 10 | 10,247.66 miles (16,491.97 km) SE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 11 | 10,235.05 miles (16,471.68 km) SE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 12 | 10,200.52 miles (16,416.11 km) SE | Toamasino Airport (TMM) | Toamasina, Madagascar | |
| 13 | 10,189.58 miles (16,398.51 km) SE | Ivato International Airport (TNR) | Antananarivo, Madagascar | |
| 14 | 10,174.40 miles (16,374.07 km) SE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |
| 15 | 10,162.80 miles (16,355.40 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 3.82 miles (6.15 km) N | Delta Junction Airport (DJN) | Delta Junction, Alaska, United States | |
| 2 | 31.13 miles (50.09 km) E | Healy River Airport (HKB) | Healy Lake, Alaska, United States | |
| 3 | 62.08 miles (99.91 km) NW | Eielson Air Force Base (EIL) | Fairbanks, Alaska, United States | |
| 4 | 81.12 miles (130.55 km) NW | Ladd Army Airfield (FBK) | Fairbanks / Fort Wainwright, Alaska, United States | |
| 5 | 84.69 miles (136.30 km) ESE | Tanacross Airport (TSG) | Tanacross, Alaska, United States | |
| 6 | 85.28 miles (137.25 km) NW | Fairbanks International Airport (FAI) | Fairbanks, Alaska, United States | |
| 7 | 96.11 miles (154.67 km) ESE | Tok Airport (TKJ) | Tok, Alaska, United States | |
| 8 | 98.78 miles (158.97 km) W | McKinley National Park Airport (MCL) | McKinley Park, Alaska, United States | |
| 9 | 107.57 miles (173.11 km) WNW | Nenana Municipal Airport (ENN) | Nenana, Alaska, United States | |
| 10 | 108.03 miles (173.86 km) NNE | Circle Hot Springs Airport (CHP) | Circle Hot Springs, Alaska, United States | |
| 11 | 112.52 miles (181.08 km) NNE | Central Airport (CEM) | Central, Alaska, United States | |
| 12 | 114.05 miles (183.55 km) WSW | Summit Airport (UMM) | Summit, Alaska, United States | |
| 13 | 114.09 miles (183.61 km) E | Chicken Airport (CKX) | Chicken, Alaska, United States | |
| 14 | 127.42 miles (205.07 km) S | Gulkana Airport (GKN) | Gulkana, Alaska, United States | |
| 15 | 134.36 miles (216.23 km) NW | Minto Al Wright Airport (MNT) | Minto, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,330.62 miles (16,625.48 km) SSE | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 2 | 10,309.86 miles (16,592.07 km) SSE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 3 | 10,303.74 miles (16,582.22 km) SSE | George Airport (GRJ) | George, South Africa | |
| 4 | 10,279.77 miles (16,543.64 km) S | East London Airport (ELS) | East London, South Africa | |
| 5 | 10,257.51 miles (16,507.81 km) SSE | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 6 | 10,181.65 miles (16,385.74 km) S | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 7 | 10,140.91 miles (16,320.17 km) S | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 8 | 10,067.52 miles (16,202.06 km) S | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 9 | 10,061.04 miles (16,191.64 km) S | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 10 | 10,057.41 miles (16,185.80 km) S | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| 11 | 10,057.38 miles (16,185.74 km) S | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 12 | 10,056.80 miles (16,184.81 km) S | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 13 | 10,054.08 miles (16,180.43 km) S | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 14 | 10,032.50 miles (16,145.70 km) S | Moshoeshoe I International Airport (MSU) | Maseru, Lesotho | |
| 15 | 10,027.37 miles (16,137.45 km) S | Mokhotlong Airport (MKH) | Mokhotlong, Lesotho | |