# Distance from Sondok Airport (DSO) to Kathmandu (KTM)

> 4,076 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,076 km / 2,533 mi / 2,201 nm
- **Estimated flight time**: 6h
- **Heading**: 264° (west)
- **Return heading**: 60° (east northeast)
- **Classification**: Long-haul
- **Type**: International (KP) → Nepal
- **Time difference**: -3.25h (When it's 05:21 in Sondok Airport, it's 02:06 in Kathmandu)
- **Elevation difference**: 4,378 ft (KTM is higher than DSO)

## Airports

### [Sondok Airport (DSO)](https://www.flightduration.online/airport/dso-sondok-airport/1ef266e0-1ef7-6bae-8fd9-06bb2780ed98)

- City: Sondok Airport, KP
- ICAO: ZKSD
- Timezone: Asia/Pyongyang
- Coordinates: 39.750000, 127.470000
- Elevation: 12 ft

### [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

## 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 05:21 in Sondok Airport, it's 02:06 in Kathmandu.
The 3.25-hour time difference may cause some jet lag.

## Related

- [Sondok Airport (DSO)](https://www.flightduration.online/airport/dso-sondok-airport/1ef266e0-1ef7-6bae-8fd9-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)