Nonstop flight route between Seiyun, Yemen and Cheyenne, Wyoming, United States:
Departure Airport:

Arrival Airport:

Distance from GXF to CYS:
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- About this route
- GXF Airport Information
- CYS Airport Information
- Facts about GXF
- Facts about CYS
- Map of Nearest Airports to GXF
- List of Nearest Airports to GXF
- Map of Furthest Airports from GXF
- List of Furthest Airports from GXF
- Map of Nearest Airports to CYS
- List of Nearest Airports to CYS
- Map of Furthest Airports from CYS
- List of Furthest Airports from CYS
About this route:
A direct, nonstop flight between Sayun AirportSeiyun Airport (GXF), Seiyun, Yemen and Cheyenne Regional Airport (CYS), Cheyenne, Wyoming, United States would travel a Great Circle distance of 8,144 miles (or 13,106 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 Sayun AirportSeiyun Airport and Cheyenne 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 Sayun AirportSeiyun Airport and Cheyenne 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: | GXF / OYSY |
Airport Name: | Sayun AirportSeiyun Airport |
Location: | Seiyun, Yemen |
GPS Coordinates: | 15°57'57"N by 48°47'17"E |
Area Served: | Sayun |
Airport Type: | Public |
Elevation: | 2097 feet (639 meters) |
# of Runways: | 1 |
View all routes: | Routes from GXF |
More Information: | GXF Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CYS / KCYS |
Airport Names: |
|
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 |
Facts about Sayun AirportSeiyun Airport (GXF):
- Sayun AirportSeiyun Airport (GXF) currently has only 1 runway.
- The closest airport to Sayun AirportSeiyun Airport (GXF) is Riyan Airport (MKX), which is located 98 miles (158 kilometers) SSE of GXF.
- The furthest airport from Sayun AirportSeiyun Airport (GXF) is Pukarua Airport (PUK), which is nearly antipodal to Sayun AirportSeiyun Airport (meaning Sayun AirportSeiyun Airport is almost on the exact opposite side of the Earth from Pukarua Airport), and is located 12,021 miles (19,346 kilometers) away in Pukarua, Tuamotus, French Polynesia.
Facts about Cheyenne Regional Airport (CYS):
- In addition to being known as "Cheyenne Regional Airport", another name for CYS is "Jerry Olson Field".
- On April 11, 1996, 7 year old Jessica Dubroff, along with her father and flight instructor, died when her general aviation aircraft crashed after takeoff from Cheyenne Regional in a storm.
- Occasional charter flights go to Laughlin or Wendover, Nevada.
- Cheyenne Regional Airport, also known as Jerry Olson Field, is a civil-military public airport one mile north of downtown Cheyenne, in Laramie County, Wyoming.
- Cheyenne Regional Airport (CYS) has 2 runways.
- 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.
- 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.
- 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.
- Because of its high altitude, aircraft manufacturers test their planes at Cheyenne.