# Distance from Marck (CQF) to St Louis (STL)

> 6,917 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,917 km / 4,298 mi / 3,735 nm
- **Estimated flight time**: 9h
- **Heading**: 298° (west northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Long-haul
- **Type**: International (France) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -7h (When it's 01:42 in Marck, it's 18:42 in St Louis)
- **Elevation difference**: 605 ft (STL is higher than CQF)

## Airports

### [Calais-Dunkerque Airport (CQF)](https://www.flightduration.online/airport/cqf-marck-calais-dunkerque-airport/1ef266df-4644-6e6a-9b1f-06bb2780ed98)

- City: Marck, France
- ICAO: LFAC
- Timezone: Europe/Paris
- Coordinates: 50.960000, 1.950000
- Elevation: 12 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 01:42 in Marck, it's 18:42 in St Louis.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Calais-Dunkerque Airport (CQF)](https://www.flightduration.online/airport/cqf-marck-calais-dunkerque-airport/1ef266df-4644-6e6a-9b1f-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)