# Distance from Kathmandu (KTM) to Udon Thani (UTH)

> 2,122 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 2,122 km / 1,318 mi / 1,146 nm
- **Estimated flight time**: 3h
- **Heading**: 119° (east southeast)
- **Return heading**: 306° (northwest)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → Thailand
- **Time difference**: +1.25h (When it's 08:10 in Kathmandu, it's 09:25 in Udon Thani)
- **Elevation difference**: 3,811 ft (UTH 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

### [Udon Thani Airport (UTH)](https://www.flightduration.online/airport/uth-udon-thani-udon-thani-airport/1ef266df-f5bc-63ac-928e-06bb2780ed98)

- City: Udon Thani, Thailand
- ICAO: VTUD
- Timezone: Asia/Bangkok
- Coordinates: 17.390000, 102.790000
- Elevation: 579 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 08:10 in Kathmandu, it's 09:25 in Udon Thani.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Udon Thani Airport (UTH)](https://www.flightduration.online/airport/uth-udon-thani-udon-thani-airport/1ef266df-f5bc-63ac-928e-06bb2780ed98)
- [Flight duration calculator](/#calculator)