# Distance from Fort Smith (FSM) to London (LHR)

> 7,266 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,266 km / 4,515 mi / 3,923 nm
- **Estimated flight time**: 10h
- **Heading**: 43° (northeast)
- **Return heading**: 296° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → United Kingdom
- **Intercontinental**: North America → Europe
- **Time difference**: +6h (When it's 06:41 in Fort Smith, it's 12:41 in London)
- **Elevation difference**: 386 ft (LHR is lower than FSM)

## Airports

### [Fort Smith Regional Airport (FSM)](https://www.flightduration.online/airport/fsm-fort-smith-fort-smith-regional-airport/1ef266df-1d03-6a42-b07d-06bb2780ed98)

- City: Fort Smith, United States
- ICAO: KFSM
- Timezone: America/Chicago
- Coordinates: 35.300000, -94.400000
- Elevation: 469 ft

### [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGLL
- Timezone: Europe/London
- Coordinates: 51.470000, -0.460000
- Elevation: 83 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 06:41 in Fort Smith, it's 12:41 in London.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Fort Smith Regional Airport (FSM)](https://www.flightduration.online/airport/fsm-fort-smith-fort-smith-regional-airport/1ef266df-1d03-6a42-b07d-06bb2780ed98)
- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)