# Distance from Letterkenny (LTR) to St Louis (STL)

> 6,149 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,149 km / 3,821 mi / 3,320 nm
- **Estimated flight time**: 8h
- **Heading**: 290° (west northwest)
- **Return heading**: 44° (northeast)
- **Classification**: Long-haul
- **Type**: International (Ireland) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -6h (When it's 18:27 in Letterkenny, it's 12:27 in St Louis)
- **Elevation difference**: 597 ft (STL is higher than LTR)

## Airports

### [Letterkenny Airport (LTR)](https://www.flightduration.online/airport/ltr-letterkenny-letterkenny-airport/1ef266de-c779-6126-b22e-06bb2780ed98)

- City: Letterkenny, Ireland
- ICAO: EILT
- Timezone: Europe/Dublin
- Coordinates: 54.950000, -7.670000
- Elevation: 20 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 18:27 in Letterkenny, it's 12:27 in St Louis.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Letterkenny Airport (LTR)](https://www.flightduration.online/airport/ltr-letterkenny-letterkenny-airport/1ef266de-c779-6126-b22e-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)