# Distance from Alton/St Louis (ALN) to Prague (PRG)

> 7,673 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,673 km / 4,768 mi / 4,143 nm
- **Estimated flight time**: 10h
- **Heading**: 42° (northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Czech Republic
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 09:36 in Alton/St Louis, it's 16:36 in Prague)
- **Elevation difference**: 704 ft (PRG is higher 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

### [Václav Havel Airport (PRG)](https://www.flightduration.online/airport/prg-prague-vaclav-havel-airport/1ef266df-52bc-60da-a00a-06bb2780ed98)

- City: Prague, Czech Republic
- ICAO: LKPR
- Timezone: Europe/Prague
- Coordinates: 50.100000, 14.260000
- Elevation: 1,247 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 09:36 in Alton/St Louis, it's 16:36 in Prague.
With a 7-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)
- [Václav Havel Airport (PRG)](https://www.flightduration.online/airport/prg-prague-vaclav-havel-airport/1ef266df-52bc-60da-a00a-06bb2780ed98)
- [Flight duration calculator](/#calculator)