Nonstop flight route between Cheyenne, Wyoming, United States and Ali-Sabieh, Djibouti:
Departure Airport:

Arrival Airport:

Distance from CYS to AII:
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- About this route
- CYS Airport Information
- AII Airport Information
- Facts about CYS
- Facts about AII
- Map of Nearest Airports to CYS
- List of Nearest Airports to CYS
- Map of Furthest Airports from CYS
- List of Furthest Airports from CYS
- Map of Nearest Airports to AII
- List of Nearest Airports to AII
- Map of Furthest Airports from AII
- List of Furthest Airports from AII
About this route:
A direct, nonstop flight between Cheyenne Regional Airport (CYS), Cheyenne, Wyoming, United States and Ali-Sabieh Airport (AII), Ali-Sabieh, Djibouti would travel a Great Circle distance of 8,273 miles (or 13,314 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 Cheyenne Regional Airport and Ali-Sabieh 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 Cheyenne Regional Airport and Ali-Sabieh Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | CYS / KCYS |
Airport Names: |
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Location: | Cheyenne, Wyoming, United States |
GPS Coordinates: | 41°9'20"N by 104°48'38"W |
Area Served: | Cheyenne, Wyoming |
Operator/Owner: | Cheyenne Regional Airport Board |
Airport Type: | Public |
Elevation: | 6159 feet (1,877 meters) |
# of Runways: | 2 |
View all routes: | Routes from CYS |
More Information: | CYS Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | AII / HDAS |
Airport Names: |
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Location: | Ali-Sabieh, Djibouti |
GPS Coordinates: | 11°9'0"N by 42°43'0"E |
Airport Type: | Public |
View all routes: | Routes from AII |
More Information: | AII Maps & Info |
Facts about Cheyenne Regional Airport (CYS):
- Cheyenne's airport saw its first commercial passengers in the 1920s.
- The airport terminal contains plaques of the inductees into the Wyoming Aviation Hall of Fame.
- Because of Cheyenne Regional Airport's high elevation of 6,159 feet, planes must typically fly at a faster airspeed in order to takeoff or land at CYS. Combined with a high temperature, this could make CYS a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- Smaller airlines served Cheyenne, mainly to Denver, including Rocky Mountain Airways with de Havilland Canada DHC-6 Twin Otters and DHC-7 Dash 7s.
- The Boeing/United Airlines Terminal Building, Hangar and Fountain, built for what would become United Airlines between 1929 and 1934, are listed on the National Register of Historic Places.
- In addition to being known as "Cheyenne Regional Airport", another name for CYS is "Jerry Olson Field".
- During World War II the airport was a completion and modification center for B-17s.
- Cheyenne Regional Airport (CYS) has 2 runways.
- The furthest airport from Cheyenne Regional Airport (CYS) is Sir Gaëtan Duval Airport (RRG), which is located 10,803 miles (17,385 kilometers) away in Rodrigues Island, Mauritius.
- The closest airport to Cheyenne Regional Airport (CYS) is Francis E. Warren Air Force Base (FEW), which is located only 3 miles (5 kilometers) WSW of CYS.
- Cheyenne ANGB occupies approximately 77 acres of leased land on the Cheyenne Regional Airport.
Facts about Ali-Sabieh Airport (AII):
- The closest airport to Ali-Sabieh Airport (AII) is Djibouti–Ambouli International Airport (JIB), which is located 40 miles (64 kilometers) NE of AII.
- The furthest airport from Ali-Sabieh Airport (AII) is Atuona Airport (AUQ), which is nearly antipodal to Ali-Sabieh Airport (meaning Ali-Sabieh Airport is almost on the exact opposite side of the Earth from Atuona Airport), and is located 12,285 miles (19,771 kilometers) away in Atuona, Marquesas Islands, French Polynesia.
- In addition to being known as "Ali-Sabieh Airport", another name for AII is "مطار علي سايبه".