# Distance from Alton/St Louis (ALN) to London (LGW)

> 6,744 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,744 km / 4,191 mi / 3,641 nm
- **Estimated flight time**: 9h
- **Heading**: 46° (northeast)
- **Return heading**: 297° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → United Kingdom
- **Intercontinental**: North America → Europe
- **Time difference**: +6h (When it's 14:31 in Alton/St Louis, it's 20:31 in London)
- **Elevation difference**: 342 ft (LGW is lower than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 ft

### [London Gatwick Airport (LGW)](https://www.flightduration.online/airport/lgw-london-london-gatwick-airport/1ef266de-c432-61fc-ac84-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGKK
- Timezone: Europe/London
- Coordinates: 51.150000, -0.190000
- Elevation: 202 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 14:31 in Alton/St Louis, it's 20:31 in London.
With a 6-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [London Gatwick Airport (LGW)](https://www.flightduration.online/airport/lgw-london-london-gatwick-airport/1ef266de-c432-61fc-ac84-06bb2780ed98)
- [Flight duration calculator](/#calculator)