# Distance from London (STN) to Ulsan (USN)

> 9,105 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,105 km / 5,658 mi / 4,916 nm
- **Estimated flight time**: 12h
- **Heading**: 40° (northeast)
- **Return heading**: 331° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → South Korea
- **Intercontinental**: Europe → Asia
- **Time difference**: +8h (When it's 23:38 in London, it's 07:38 in Ulsan)
- **Elevation difference**: 303 ft (USN is lower 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

### [Ulsan Airport (USN)](https://www.flightduration.online/airport/usn-ulsan-ulsan-airport/1ef266df-8de2-6506-b034-06bb2780ed98)

- City: Ulsan, South Korea
- ICAO: RKPU
- Timezone: Asia/Seoul
- Coordinates: 35.590000, 129.350000
- Elevation: 45 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 23:38 in London, it's 07:38 in Ulsan.
With a 8-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)
- [Ulsan Airport (USN)](https://www.flightduration.online/airport/usn-ulsan-ulsan-airport/1ef266df-8de2-6506-b034-06bb2780ed98)
- [Flight duration calculator](/#calculator)