Nonstop flight route between Sion, Switzerland and N'Djamena, Chad:
Departure Airport:
 
    Arrival Airport:
 
    Distance from SIR to NDJ:
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- About this route
- SIR Airport Information
- NDJ Airport Information
- Facts about SIR
- Facts about NDJ
- 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 NDJ
- List of Nearest Airports to NDJ
- Map of Furthest Airports from NDJ
- List of Furthest Airports from NDJ
About this route:
A direct, nonstop flight between Sion Airport (SIR), Sion, Switzerland and N'Djamena International Airport (NDJ), N'Djamena, Chad would travel a Great Circle distance of 2,398 miles (or 3,859 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 Sion Airport and N'Djamena International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | SIR / LSGS | 
| Airport Names: | 
 | 
| 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: | NDJ / FTTJ | 
| Airport Name: | N'Djamena International Airport | 
| Location: | N'Djamena, Chad | 
| GPS Coordinates: | 12°8'0"N by 15°2'2"E | 
| Area Served: | N'Djamena, Chad | 
| Operator/Owner: | Government | 
| Airport Type: | Public / Military | 
| Elevation: | 968 feet (295 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from NDJ | 
| More Information: | NDJ 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 N'Djamena International Airport (NDJ):
- The French base is also shared by the small Chadian Air Force.
- Because of N'Djamena International Airport's relatively low elevation of 968 feet, planes can take off or land at N'Djamena International 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.
- The furthest airport from N'Djamena International Airport (NDJ) is Manihiki Island Airport (MHX), which is nearly antipodal to N'Djamena International Airport (meaning N'Djamena International Airport is almost on the exact opposite side of the Earth from Manihiki Island Airport), and is located 12,142 miles (19,541 kilometers) away in Manihiki Island, Cook Islands.
- N'Djamena International Airport (NDJ) currently has only 1 runway.
- The closest airport to N'Djamena International Airport (NDJ) is Bol-Berim Airport (OTC), which is located 93 miles (149 kilometers) NNW of NDJ.
- There has been a French military base here since 1986, when Operation Epervier started, and was used as a French base during previous operations.




