# Distance from Seoul (ICN) to Nakhon Si Thammarat (NST)

> 4,177 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,177 km / 2,595 mi / 2,255 nm
- **Estimated flight time**: 6h
- **Heading**: 226° (southwest)
- **Return heading**: 36° (northeast)
- **Classification**: Long-haul
- **Type**: International (South Korea) → Thailand
- **Time difference**: -2h (When it's 08:12 in Seoul, it's 06:12 in Nakhon Si Thammarat)
- **Elevation difference**: 10 ft (NST is lower than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 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 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 08:12 in Seoul, it's 06:12 in Nakhon Si Thammarat.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [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)