# Distance from Seosan (HMY) to Kathmandu (KTM)

> 3,965 km · estimated flight time 6h · Medium-haul route.

## Summary

- **Distance**: 3,965 km / 2,464 mi / 2,141 nm
- **Estimated flight time**: 6h
- **Heading**: 267° (west)
- **Return heading**: 65° (east northeast)
- **Classification**: Medium-haul
- **Type**: International (South Korea) → Nepal
- **Time difference**: -3.25h (When it's 05:15 in Seosan, it's 02:00 in Kathmandu)
- **Elevation difference**: 4,351 ft (KTM is higher than HMY)

## Airports

### [Seosan Air Base (HMY)](https://www.flightduration.online/airport/hmy-seosan-seosan-air-base/1ef266df-8e37-6862-80fa-06bb2780ed98)

- City: Seosan, South Korea
- ICAO: RKTP
- Timezone: Asia/Seoul
- Coordinates: 36.700000, 126.490000
- Elevation: 39 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 05:15 in Seosan, it's 02:00 in Kathmandu.
The 3.25-hour time difference may cause some jet lag.

## Related

- [Seosan Air Base (HMY)](https://www.flightduration.online/airport/hmy-seosan-seosan-air-base/1ef266df-8e37-6862-80fa-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)