Nonstop flight route between Helena, Montana, United States and Riverside, California, United States:
Departure Airport:
(46°36'24"N by 111°58'58"W)
Arrival Airport:
(33°52'50"N by 117°15'33"W)
Distance from HLN to RIV:
921.72 miles (1,483.36 km)
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Jump to:
- About this route
- HLN Airport Information
- RIV Airport Information
- Facts about HLN
- Facts about RIV
- 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 RIV
- List of Nearest Airports to RIV
- Map of Furthest Airports from RIV
- List of Furthest Airports from RIV
About this route:
A direct, nonstop flight between Helena Regional Airport (HLN), Helena, Montana, United States and March Air Reserve Base (RIV), Riverside, California, United States would travel a Great Circle distance of 922 miles (or 1,483 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 March Air Reserve Base, 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: | RIV / KRIV |
| Airport Name: | March Air Reserve Base |
| Location: | Riverside, California, United States |
| GPS Coordinates: | 33°52'50"N by 117°15'33"W |
| View all routes: | Routes from RIV |
| More Information: | RIV Maps & Info |
Facts about Helena Regional Airport (HLN):
- Helena Regional Airport covers 1,224 acres at an elevation of 3,877 feet.
- 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.
- In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
- 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.
Facts about March Air Reserve Base (RIV):
- On a lighter note, entertainer Bob Hope's first USO show was held at March on 6 May 1941.
- The closest airport to March Air Reserve Base (RIV) is Flabob Airport (RIR), which is located only 11 miles (18 kilometers) NW of RIV.
- By late April 1918, enough progress had been made in the construction of the new field to allow the arrival of the first troops.
- On 1 May 1949, March became a part of the Strategic Air Command and the Fifteenth Air Force.
- The furthest airport from March Air Reserve Base (RIV) is Pierrefonds Airport (ZSE), which is located 11,461 miles (18,445 kilometers) away in Saint-Pierre, Réunion.
- At the same time, the War Department announced its intentions to build several new military installations.
- In the decade before World War II, March Field took on much of its current appearance and also began to gain prominence.
| 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 | 11.42 miles (18.39 km) NW | Flabob Airport (RIR) | Riverside/Rubidoux, California, United States | |
| 2 | 11.73 miles (18.87 km) WNW | Riverside Municipal Airport (RAL) | Riverside, California, United States | |
| 3 | 14.90 miles (23.98 km) N | San Bernardino International Airport (SBT) | San Bernardino, California, United States | |
| 4 | 14.90 miles (23.98 km) N | Norton Air Force Base (SBD) | San Bernardino, California, United States | |
| 5 | 16.96 miles (27.30 km) SE | Hemet-Ryan AirportRyan Field (HMT) | Hemet, California, United States | |
| 6 | 22.58 miles (36.35 km) WNW | Chino Airport (CNO) | Chino, California, United States | |
| 7 | 23.03 miles (37.07 km) WNW | LA/Ontario International Airport (ONT) | Ontario (near Los Angeles), California, United States | |
| 8 | 23.63 miles (38.02 km) E | Banning Municipal Airport (BNG) | Banning, California, United States | |
| 9 | 29.26 miles (47.09 km) WNW | Cable Airport (CCB) | Upland, California, United States | |
| 10 | 30.55 miles (49.17 km) WSW | MCAS El Toro (NZJ) | Santa Ana, California, United States | |
| 11 | 33.29 miles (53.57 km) WNW | Brackett Field (POC) | La Verne, California, United States | |
| 12 | 37.73 miles (60.72 km) WSW | John Wayne Airport (SNA) | Santa Ana, California, United States | |
| 13 | 41.33 miles (66.51 km) W | Fullerton Municipal Airport (FUL) | Fullerton, California, United States | |
| 14 | 43.34 miles (69.74 km) E | Palm Springs International AirportPalm Springs Army Airfield (PSP) | Palm Springs, California, United States | |
| 15 | 46.08 miles (74.16 km) S | Bob Maxwell Field (Oceanside Municipal Airport) (OCN) | Oceanside, California, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,461.07 miles (18,444.75 km) SSE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 2 | 11,460.25 miles (18,443.43 km) S | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 3 | 11,457.24 miles (18,438.59 km) SSE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 4 | 11,436.56 miles (18,405.32 km) SSE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 11,309.80 miles (18,201.31 km) ESE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 6 | 11,197.00 miles (18,019.77 km) SE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 7 | 11,182.75 miles (17,996.85 km) ESE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 8 | 11,153.99 miles (17,950.56 km) SE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 11,070.60 miles (17,816.36 km) SE | Toamasino Airport (TMM) | Toamasina, Madagascar | |
| 10 | 11,033.54 miles (17,756.71 km) SE | Ivato International Airport (TNR) | Antananarivo, Madagascar | |
| 11 | 11,027.30 miles (17,746.68 km) SE | Sainte Marie Airport (SMS) | Île Sainte-Marie, Madagascar | |
| 12 | 11,022.03 miles (17,738.20 km) ESE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 13 | 11,001.53 miles (17,705.20 km) ESE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 14 | 10,991.17 miles (17,688.52 km) ESE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 15 | 10,985.96 miles (17,680.14 km) SE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |