Nonstop flight route between Iliamna, Alaska, United States and Colorado Springs, Colorado, United States:
Departure Airport:

Arrival Airport:

Distance from ILI to COS:
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- About this route
- ILI Airport Information
- COS Airport Information
- Facts about ILI
- Facts about COS
- Map of Nearest Airports to ILI
- List of Nearest Airports to ILI
- Map of Furthest Airports from ILI
- List of Furthest Airports from ILI
- Map of Nearest Airports to COS
- List of Nearest Airports to COS
- Map of Furthest Airports from COS
- List of Furthest Airports from COS
About this route:
A direct, nonstop flight between Iliamna Airport (ILI), Iliamna, Alaska, United States and City of Colorado Springs Municipal Airport (COS), Colorado Springs, Colorado, United States would travel a Great Circle distance of 2,596 miles (or 4,178 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 Iliamna Airport and City of Colorado Springs Municipal 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 Iliamna Airport and City of Colorado Springs Municipal Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | ILI / PAIL |
Airport Name: | Iliamna Airport |
Location: | Iliamna, Alaska, United States |
GPS Coordinates: | 59°45'14"N by 154°54'38"W |
Area Served: | Iliamna, Alaska |
Operator/Owner: | Alaska DOT&PF - Central Region |
Airport Type: | Public |
Elevation: | 192 feet (59 meters) |
# of Runways: | 4 |
View all routes: | Routes from ILI |
More Information: | ILI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | COS / KCOS |
Airport Name: | City of Colorado Springs Municipal Airport |
Location: | Colorado Springs, Colorado, United States |
GPS Coordinates: | 38°48'20"N by 104°42'2"W |
Area Served: | Colorado Springs, Colorado |
Airport Type: | Public |
Elevation: | 6187 feet (1,886 meters) |
# of Runways: | 3 |
View all routes: | Routes from COS |
More Information: | COS Maps & Info |
Facts about Iliamna Airport (ILI):
- The closest airport to Iliamna Airport (ILI) is Nondalton Airport (NNL), which is located only 16 miles (25 kilometers) N of ILI.
- Because of Iliamna Airport's relatively low elevation of 192 feet, planes can take off or land at Iliamna Airport 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.
- Iliamna Airport (ILI) has 4 runways.
- The furthest airport from Iliamna Airport (ILI) is Port Elizabeth International Airport (PLZ), which is located 10,656 miles (17,149 kilometers) away in Port Elizabeth, South Africa.
Facts about City of Colorado Springs Municipal Airport (COS):
- City of Colorado Springs Municipal Airport (COS) has 3 runways.
- City of Colorado Springs Municipal Airport is a city-owned public civil-military airport 6 miles southeast of Colorado Springs, in El Paso County, Colorado.
- The closest airport to City of Colorado Springs Municipal Airport (COS) is United States Air Force Academy (AFF), which is located only 15 miles (25 kilometers) NNW of COS.
- The furthest airport from City of Colorado Springs Municipal Airport (COS) is Sir Gaëtan Duval Airport (RRG), which is located 10,940 miles (17,606 kilometers) away in Rodrigues Island, Mauritius.
- Repairs to runway 17L/35R, first scheduled for 2011 but delayed by the FAA shutdown, will begin in spring 2012.
- Reached via Milton Proby Parkway, the terminal consists of two concourses.
- Through the 1970s, 1980s and 1990s the airport tried to expand service.
- Because of City of Colorado Springs Municipal Airport's high elevation of 6,187 feet, planes must typically fly at a faster airspeed in order to takeoff or land at COS. Combined with a high temperature, this could make COS a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.