# Distance from London (STN) to Union Island (UNI)

> 6,979 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,979 km / 4,336 mi / 3,768 nm
- **Estimated flight time**: 9h
- **Heading**: 255° (west southwest)
- **Return heading**: 38° (northeast)
- **Classification**: Long-haul
- **Type**: International (United Kingdom) → Saint Vincent
- **Intercontinental**: Europe → North America
- **Time difference**: -5h (When it's 02:57 in London, it's 21:57 in Union Island)
- **Elevation difference**: 332 ft (UNI 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

### [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)

- City: Union Island, Saint Vincent
- ICAO: TVSU
- Timezone: America/St_Vincent
- Coordinates: 12.600000, -61.410000
- Elevation: 16 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 02:57 in London, it's 21:57 in Union Island.
The 5-hour time difference may cause some jet lag.

## Related

- [London Stansted Airport (STN)](https://www.flightduration.online/airport/stn-london-london-stansted-airport/1ef266de-c5b5-68ee-8115-06bb2780ed98)
- [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)
- [Flight duration calculator](/#calculator)