Nonstop flight route between Kathmandu, Nepal and Basel, Switzerland:
Departure Airport:
 
    Arrival Airport:
 
    Distance from KTM to BSL:
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- About this route
- KTM Airport Information
- BSL Airport Information
- Facts about KTM
- Facts about BSL
- Map of Nearest Airports to KTM
- List of Nearest Airports to KTM
- Map of Furthest Airports from KTM
- List of Furthest Airports from KTM
- Map of Nearest Airports to BSL
- List of Nearest Airports to BSL
- Map of Furthest Airports from BSL
- List of Furthest Airports from BSL
About this route:
A direct, nonstop flight between Tribhuvan International Airport (KTM), Kathmandu, Nepal and EuroAirport Basel–Mulhouse–Freiburg (BSL), Basel, Switzerland would travel a Great Circle distance of 4,286 miles (or 6,897 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 Tribhuvan International Airport and EuroAirport Basel–Mulhouse–Freiburg, 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 Tribhuvan International Airport and EuroAirport Basel–Mulhouse–Freiburg. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | KTM / VNKT | 
| Airport Names: | 
 | 
| Location: | Kathmandu, Nepal | 
| GPS Coordinates: | 27°41'47"N by 85°21'32"E | 
| Area Served: | Kathmandu, Nepal | 
| Operator/Owner: | Civil Aviation Authority of Nepal (CAAN) | 
| Airport Type: | Public | 
| Elevation: | 4390 feet (1,338 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from KTM | 
| More Information: | KTM Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | BSL / LFSB | 
| Airport Names: | 
 | 
| Location: | Basel, Switzerland | 
| GPS Coordinates: | 47°35'24"N by 7°31'45"E | 
| Area Served: | Basel, Switzerland Mulhouse, France Freiburg, Germany | 
| Airport Type: | Public | 
| Elevation: | 885 feet (270 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from BSL | 
| More Information: | BSL Maps & Info | 
Facts about Tribhuvan International Airport (KTM):
- Because of Tribhuvan International Airport's high elevation of 4,390 feet, planes must typically fly at a faster airspeed in order to takeoff or land at KTM. Combined with a high temperature, this could make KTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
- The Airport is connected to the Cities of Kathmandu and Lalitpur through the Busses of Sajha Yatayat, which stop in front of the International Terminal.
- In addition to being known as "Tribhuvan International Airport", another name for KTM is "त्रिभुवन अन्तर्राष्ट्रिय विमानस्थल".
- Tribhuvan International Airport handled 3,405,015 passengers last year.
- The first jet aircraft to land at Tribhuvan was a Air india Boeing 707, which touched down on the 6,600 feet runway in 1967.
- Tribhuvan International Airport (KTM) currently has only 1 runway.
- The furthest airport from Tribhuvan International Airport (KTM) is Mataveri International Airport (IPC), which is located 11,530 miles (18,556 kilometers) away in Easter Island, Chile.
- The closest airport to Tribhuvan International Airport (KTM) is Ramechhap Airport (RHP), which is located 48 miles (77 kilometers) ESE of KTM.
Facts about EuroAirport Basel–Mulhouse–Freiburg (BSL):
- The furthest airport from EuroAirport Basel–Mulhouse–Freiburg (BSL) is Chatham Islands (CHT), which is nearly antipodal to EuroAirport Basel–Mulhouse–Freiburg (meaning EuroAirport Basel–Mulhouse–Freiburg is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,113 miles (19,493 kilometers) away in Waitangi, Chatham Islands, New Zealand.
- EuroAirport Basel–Mulhouse–Freiburg is an international airport 6 km northwest of Basel, 22 km southeast of Mulhouse, and 70 km south of Freiburg im Breisgau.
- Because of EuroAirport Basel–Mulhouse–Freiburg's relatively low elevation of 885 feet, planes can take off or land at EuroAirport Basel–Mulhouse–Freiburg 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 airport is connected to motorway A3 which leads from Basel to the southeast of Switzerland passing Zürich.
- EuroAirport Basel–Mulhouse–Freiburg (BSL) has 2 runways.
- The airport building is split into two separate sections – Swiss and French.
- Between autumn 1951 and spring 1953, the east–west runway was extended to 1,600 metres and the "Zollfreistrasse" was constructed, allowing access from Basel to the departure terminal without passing through French border controls.
- In addition to being known as "EuroAirport Basel–Mulhouse–Freiburg", other names for BSL include "Aéroport de Bâle-Mulhouse", "Flughafen Basel-Mülhausen" and "BSL, MLH".
- The closest airport to EuroAirport Basel–Mulhouse–Freiburg (BSL) is EuroAirport Basel–Mulhouse–Freiburg (MLH), which is located only 0 mile (0 kilometer) N of BSL.
- Plans for the construction of a joint Swiss-French airport started in the 1930s, but were halted by the Second World War.
- EuroAirport Basel–Mulhouse–Freiburg handled 5,880,771 passengers last year.




