# Distance from London (STN) to Udon Thani (UTH)

> 9,324 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,324 km / 5,794 mi / 5,034 nm
- **Estimated flight time**: 12h
- **Heading**: 70° (east northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Thailand
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 01:29 in London, it's 07:29 in Udon Thani)
- **Elevation difference**: 231 ft (UTH is higher than STN)

## Airports

### [London Stansted Airport (STN)](https://www.flightduration.online/airport/stn-london-london-stansted-airport/1ef266de-c5b5-68ee-8115-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGSS
- Timezone: Europe/London
- Coordinates: 51.880000, 0.240000
- Elevation: 348 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 01:29 in London, it's 07:29 in Udon Thani.
With a 6-hour time difference, expect significant jet lag.

## Related

- [London Stansted Airport (STN)](https://www.flightduration.online/airport/stn-london-london-stansted-airport/1ef266de-c5b5-68ee-8115-06bb2780ed98)
- [Udon Thani Airport (UTH)](https://www.flightduration.online/airport/uth-udon-thani-udon-thani-airport/1ef266df-f5bc-63ac-928e-06bb2780ed98)
- [Flight duration calculator](/#calculator)