Nonstop flight route between Butte, Montana, United States and Imperial Beach, California, United States:
Departure Airport:

Arrival Airport:

Distance from BTM to NRS:
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- About this route
- BTM Airport Information
- NRS Airport Information
- Facts about BTM
- Facts about NRS
- Map of Nearest Airports to BTM
- List of Nearest Airports to BTM
- Map of Furthest Airports from BTM
- List of Furthest Airports from BTM
- Map of Nearest Airports to NRS
- List of Nearest Airports to NRS
- Map of Furthest Airports from NRS
- List of Furthest Airports from NRS
About this route:
A direct, nonstop flight between Bert Mooney Airport (BTM), Butte, Montana, United States and Naval Outlying Landing Field Imperial Beach (NRS), Imperial Beach, California, United States would travel a Great Circle distance of 957 miles (or 1,540 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 Bert Mooney Airport and Naval Outlying Landing Field Imperial Beach, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | BTM / KBTM |
Airport Name: | Bert Mooney Airport |
Location: | Butte, Montana, United States |
GPS Coordinates: | 45°57'16"N by 112°29'51"W |
Area Served: | Butte, Montana |
Operator/Owner: | Bert Mooney Airport Authority |
Airport Type: | Public |
Elevation: | 5550 feet (1,692 meters) |
# of Runways: | 2 |
View all routes: | Routes from BTM |
More Information: | BTM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | NRS / KNRS |
Airport Names: |
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Location: | Imperial Beach, California, United States |
GPS Coordinates: | 32°33'47"N by 117°6'42"W |
Operator/Owner: | United States Navy |
Airport Type: | Military |
# of Runways: | 2 |
View all routes: | Routes from NRS |
More Information: | NRS Maps & Info |
Facts about Bert Mooney Airport (BTM):
- Bert Mooney Airport (BTM) has 2 runways.
- The airport name was changed in 1972 to honor Bert Mooney, an aviator from Butte who was the first to fly mail into Yellowstone National Park in 1935.
- Because of Bert Mooney Airport's high elevation of 5,550 feet, planes must typically fly at a faster airspeed in order to takeoff or land at BTM. Combined with a high temperature, this could make BTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The closest airport to Bert Mooney Airport (BTM) is Dillon Airport (DLN), which is located 48 miles (78 kilometers) S of BTM.
- The furthest airport from Bert Mooney Airport (BTM) is Sir Gaëtan Duval Airport (RRG), which is located 10,611 miles (17,077 kilometers) away in Rodrigues Island, Mauritius.
Facts about Naval Outlying Landing Field Imperial Beach (NRS):
- The closest airport to Naval Outlying Landing Field Imperial Beach (NRS) is Brown Field Municipal Airport (SDM), which is located only 8 miles (12 kilometers) E of NRS.
- In addition to being known as "Naval Outlying Landing Field Imperial Beach", another name for NRS is "Ream Field".
- In 1917, the United States Army established Aviation Field on the current site of OLF Imperial Beach.
- On January 1, 1968 NAAS Imperial Beach was raised to the status of a full Naval Air Station and renamed NAS Imperial Beach.
- Naval Outlying Landing Field Imperial Beach (NRS) has 2 runways.
- The furthest airport from Naval Outlying Landing Field Imperial Beach (NRS) is Sir Gaëtan Duval Airport (RRG), which is located 11,552 miles (18,590 kilometers) away in Rodrigues Island, Mauritius.
- In 1967, the oldest of the helicopter squadrons, HC-1, commissioned in 1948 at NAS Lakehurst, was divided into five different squadrons, HC-3, HC-5, HC-7, HAL-3 and HC-1 and brought on board at Imperial Beach.