# Distance from Kathmandu (KTM) to Interlaken Air Base (ZIN)

> 6,891 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,891 km / 4,282 mi / 3,721 nm
- **Estimated flight time**: 9h
- **Heading**: 311° (northwest)
- **Return heading**: 78° (east northeast)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Switzerland
- **Intercontinental**: Asia → Europe
- **Time difference**: -3.75h (When it's 04:02 in Kathmandu, it's 00:17 in Interlaken Air Base)
- **Elevation difference**: 4,390 ft (ZIN is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 ft

### [Interlaken Air Base (ZIN)](https://www.flightduration.online/airport/zin-interlaken-air-base/1ef266df-575b-6e4c-b913-06bb2780ed98)

- City: Interlaken Air Base, Switzerland
- ICAO: LSMI
- Timezone: Europe/Zurich
- Coordinates: 46.680000, 7.880000
- Elevation: 0 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 04:02 in Kathmandu, it's 00:17 in Interlaken Air Base.
The 3.75-hour time difference may cause some jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Interlaken Air Base (ZIN)](https://www.flightduration.online/airport/zin-interlaken-air-base/1ef266df-575b-6e4c-b913-06bb2780ed98)
- [Flight duration calculator](/#calculator)