Nonstop flight route between Sion, Switzerland and Boca Chica Key, Florida, United States:
Departure Airport:
Arrival Airport:
Distance from SIR to NQX:
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- About this route
 - SIR Airport Information
 - NQX Airport Information
 - Facts about SIR
 - Facts about NQX
 - Map of Nearest Airports to SIR
 - List of Nearest Airports to SIR
 - Map of Furthest Airports from SIR
 - List of Furthest Airports from SIR
 - Map of Nearest Airports to NQX
 - List of Nearest Airports to NQX
 - Map of Furthest Airports from NQX
 - List of Furthest Airports from NQX
 
About this route:
A direct, nonstop flight between Sion Airport (SIR), Sion, Switzerland and NAS Key West (NQX), Boca Chica Key, Florida, United States would travel a Great Circle distance of 4,966 miles (or 7,992 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 Sion Airport and NAS Key West, 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 Sion Airport and NAS Key West. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | SIR / LSGS | 
| Airport Names: | 
                    
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| Location: | Sion, Switzerland | 
| GPS Coordinates: | 46°13'10"N by 7°19'36"E | 
| Area Served: | Sion, Switzerland | 
| Elevation: | 1585 feet (483 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from SIR | 
| More Information: | SIR Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | NQX / KNQX | 
| Airport Names: | 
                    
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| Location: | Boca Chica Key, Florida, United States | 
| GPS Coordinates: | 24°34'32"N by 81°41'20"W | 
| Operator/Owner: | United States Navy | 
| Airport Type: | Military: Naval Air Station | 
| Elevation: | 6 feet (2 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from NQX | 
| More Information: | NQX Maps & Info | 
Facts about Sion Airport (SIR):
- The furthest airport from Sion Airport (SIR) is Chatham Islands (CHT), which is nearly antipodal to Sion Airport (meaning Sion Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,188 miles (19,615 kilometers) away in Waitangi, Chatham Islands, New Zealand.
 - The closest airport to Sion Airport (SIR) is Aosta Valley Airport (AOT), which is located 33 miles (54 kilometers) S of SIR.
 - In addition to being known as "Sion Airport", other names for SIR include "Aéroport de Sion" and "LSGS /LSMS".
 - Sion Airport (SIR) has 2 runways.
 
Facts about NAS Key West (NQX):
- NAS Key West (NQX) has 3 runways.
 - The closest airport to NAS Key West (NQX) is Key West International Airport (EYW), which is located only 5 miles (7 kilometers) WSW of NQX.
 - The furthest airport from NAS Key West (NQX) is Cocos (Keeling) Island Airport (CCK), which is located 11,575 miles (18,629 kilometers) away in Cocos Islands, Australia.
 - On January 18, 1918, the first class of student aviators arrived for seaplane training, which launched the station's reputation as a premier training site for Naval Aviators, a reputation which continues today.
 - The air station is also host to several tenant commands, including Fighter Squadron Composite 111, Strike Fighter Squadron 106 Detachment Key West, the U.S.
 - In the late summer of 1994, NAS Key West also served as a primary staging base for Operations SUPPORT DEMOCRACY and UPHOLD DEMOCRACY in Haiti.
 - In addition to being known as "NAS Key West", other names for NQX include "Naval Air Station Key West" and "NQX[1]".
 - In 1946, Air Test and Evaluation Squadron 1 was established at NAS Key West and for the next three decades conducted airborne antisubmarine warfare systems evaluation out of Boca Chica, while Helicopter Antisubmarine Squadron 1 conducted Atlantic Fleet helicopter fleet replacement training in the SH-3 Sea King out of the former seaplane base at Trumbo Point.
 - Because of NAS Key West's relatively low elevation of 6 feet, planes can take off or land at NAS Key West 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.
 
