# Distance from Portsmouth (PSM) to London (STN)

> 5,211 km · estimated flight time 7h · Long-haul route.

## Summary

- **Distance**: 5,211 km / 3,238 mi / 2,814 nm
- **Estimated flight time**: 7h
- **Heading**: 53° (northeast)
- **Return heading**: 289° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → United Kingdom
- **Intercontinental**: North America → Europe
- **Time difference**: +5h (When it's 04:16 in Portsmouth, it's 09:16 in London)
- **Elevation difference**: 248 ft (STN is higher than PSM)

## Airports

### [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)

- City: Portsmouth, United States
- ICAO: KPSM
- Timezone: America/New_York
- Coordinates: 43.080000, -70.820000
- Elevation: 100 ft

### [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

## 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 04:16 in Portsmouth, it's 09:16 in London.
The 5-hour time difference may cause some jet lag.

## Related

- [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)
- [London Stansted Airport (STN)](https://www.flightduration.online/airport/stn-london-london-stansted-airport/1ef266de-c5b5-68ee-8115-06bb2780ed98)
- [Flight duration calculator](/#calculator)