# Distance from Kathmandu (KTM) to Nakhon Si Thammarat (NST)

> 2,623 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,623 km / 1,630 mi / 1,417 nm
- **Estimated flight time**: 4h
- **Heading**: 142° (southeast)
- **Return heading**: 326° (northwest)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → Thailand
- **Time difference**: +1.25h (When it's 00:06 in Kathmandu, it's 01:21 in Nakhon Si Thammarat)
- **Elevation difference**: 4,377 ft (NST 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

### [Nakhon Si Thammarat Airport (NST)](https://www.flightduration.online/airport/nst-nakhon-si-thammarat-nakhon-si-thammarat-airport/1ef266df-f592-65a2-bd35-06bb2780ed98)

- City: Nakhon Si Thammarat, Thailand
- ICAO: VTSF
- Timezone: Asia/Bangkok
- Coordinates: 8.540000, 99.940000
- Elevation: 13 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 00:06 in Kathmandu, it's 01:21 in Nakhon Si Thammarat.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Nakhon Si Thammarat Airport (NST)](https://www.flightduration.online/airport/nst-nakhon-si-thammarat-nakhon-si-thammarat-airport/1ef266df-f592-65a2-bd35-06bb2780ed98)
- [Flight duration calculator](/#calculator)