Nonstop flight route between Sand Island, Midway Atoll, United States and Helena, Montana, United States:
Departure Airport:
(28°12'5"N by 177°22'53"W)
Arrival Airport:
(46°36'24"N by 111°58'58"W)
Distance from MDY to HLN:
3,693.42 miles (5,943.96 km)
Share this route:
Jump to:
- About this route
- MDY Airport Information
- HLN Airport Information
- Facts about MDY
- Facts about HLN
- Map of Nearest Airports to MDY
- List of Nearest Airports to MDY
- Map of Furthest Airports from MDY
- List of Furthest Airports from MDY
- Map of Nearest Airports to HLN
- List of Nearest Airports to HLN
- Map of Furthest Airports from HLN
- List of Furthest Airports from HLN
About this route:
A direct, nonstop flight between Henderson Field (MDY), Sand Island, Midway Atoll, United States and Helena Regional Airport (HLN), Helena, Montana, United States would travel a Great Circle distance of 3,693 miles (or 5,944 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 Henderson Field and Helena Regional Airport, 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 Henderson Field and Helena Regional Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | MDY / PMDY |
| Airport Name: | Henderson Field |
| Location: | Sand Island, Midway Atoll, United States |
| GPS Coordinates: | 28°12'5"N by 177°22'53"W |
| Area Served: | Midway Atoll |
| Operator/Owner: | U.S. Dept. of the Interior Fish and Wildlife Service |
| Airport Type: | Public |
| Elevation: | 18 feet (5 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from MDY |
| More Information: | MDY Maps & Info |
Arrival 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 |
Facts about Henderson Field (MDY):
- The closest airport to Henderson Field (MDY) is Johnston Atoll Airport (JON), which is located 937 miles (1,508 kilometers) SE of MDY.
- Henderson Field (MDY) currently has only 1 runway.
- Because of Henderson Field's relatively low elevation of 18 feet, planes can take off or land at Henderson Field 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.
- Henderson Field was named after Major Lofton R.
- The furthest airport from Henderson Field (MDY) is Lüderitz Airport (LUD), which is located 11,656 miles (18,759 kilometers) away in Luderitz, Namibia.
- After transition from the U.S.
Facts about Helena Regional Airport (HLN):
- 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 covers 1,224 acres at an elevation of 3,877 feet.
- Helena Regional Airport (HLN) has 3 runways.
- In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
- 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.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 937.06 miles (1,508.05 km) SE | Johnston Atoll Airport (JON) | Johnston Atoll, U.S. Minor Outlying Islands |     |
| 2 | 1,163.14 miles (1,871.89 km) SW | Quoin Hill Airfield (UIQ) | Quoin Hill, Vanuatu | |
| 3 | 1,179.19 miles (1,897.72 km) ESE | PMRF Barking Sands (BKH) | Kekaha, Hawaii, United States | |
| 4 | 1,181.99 miles (1,902.22 km) WSW | Wake Island Airfield (AWK) | Wake Island, United States Minor Outlying Islands | |
| 5 | 1,193.43 miles (1,920.63 km) ESE | Port Allen Airport (PAK) | Hanapepe, Hawaii, United States | |
| 6 | 1,193.67 miles (1,921.01 km) ESE | Princeville Airport (HPV) | Hanalei, Hawaii, United States | |
| 7 | 1,206.51 miles (1,941.68 km) ESE | Lihue Airport (LIH) | Lihue, Hawaii, United States | |
| 8 | 1,284.52 miles (2,067.22 km) ESE | Dillingham Airfield (HDH) | Mokuleia, Hawaii, United States | |
| 9 | 1,296.45 miles (2,086.43 km) ESE | Wheeler AAF (HHI) | Wahiawa, Hawaii, United States | |
| 10 | 1,299.87 miles (2,091.93 km) ESE | Kalaeloa Airport (NAX) | Kapolei, Hawaii, United States | |
| 11 | 1,308.14 miles (2,105.24 km) ESE | Hickam Field (HIK) | Honolulu, Hawaii, United States | |
| 12 | 1,308.14 miles (2,105.24 km) ESE | Honolulu International Airport (HNL) | Honolulu, Hawaii, United States | |
| 13 | 1,361.18 miles (2,190.60 km) ESE | Molokai Airport (MKK) | Kaunakakai, Hawaii, United States | |
| 14 | 1,366.66 miles (2,199.42 km) ESE | Kalaupapa Airport (LUP) | Kalaupapa, Hawaii, United States | |
| 15 | 1,380.51 miles (2,221.71 km) ESE | Lanai Airport (LNY) | Lanai City, Hawaii, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,656.05 miles (18,758.55 km) W | Lüderitz Airport (LUD) | Luderitz, Namibia | |
| 2 | 11,605.66 miles (18,677.45 km) WSW | Walvis Bay Airport (WVB) | Walvis Bay, Namibia | |
| 3 | 11,591.01 miles (18,653.87 km) W | Alexander Bay Airport (ALJ) | Alexander Bay, South Africa | |
| 4 | 11,569.67 miles (18,619.53 km) WSW | Arandis Airport (ADI) | Arandis / Swakopmund, Namibia | |
| 5 | 11,556.22 miles (18,597.89 km) W | Kleinsee Airport (KLZ) | Kleinzee, South Africa | |
| 6 | 11,479.95 miles (18,475.14 km) W | Keetmanshoop Airport (KMP) | Keetmanshoop, Namibia | |
| 7 | 11,456.03 miles (18,436.65 km) WSW | Eros Airport (ERS) | Windhoek, Namibia | |
| 8 | 11,455.44 miles (18,435.69 km) W | Karasburg Airport (KAS) | Karasburg, Namibia | |
| 9 | 11,453.64 miles (18,432.80 km) W | Aggeneys Airport (AGZ) | Aggeneys, South Africa | |
| 10 | 11,453.62 miles (18,432.78 km) W | Wild Coast Sun Airport (MZF) | Mzamba, South Africa | |
| 11 | 11,430.33 miles (18,395.29 km) WSW | Hosea Kutako International Airport (WDH) | Windhoek, Namibia | |
| 12 | 11,412.29 miles (18,366.25 km) WSW | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 13 | 11,357.04 miles (18,277.34 km) WSW | Halali Airport (HAL) | Halali, Namibia | |
| 14 | 11,343.44 miles (18,255.45 km) WSW | Gobabis Airport (GOG) | Gobabis, Namibia | |
| 15 | 11,321.78 miles (18,220.59 km) SW | Vila Roçadas/Xangongo Airport (XGN) | Xangongo, Angola | |
| 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 | |