# Distance from St Louis (STL) to Waterford (WAT)

> 6,294 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,294 km / 3,911 mi / 3,398 nm
- **Estimated flight time**: 8h
- **Heading**: 47° (northeast)
- **Return heading**: 292° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Ireland
- **Intercontinental**: North America → Europe
- **Time difference**: +6h (When it's 07:49 in St Louis, it's 13:49 in Waterford)
- **Elevation difference**: 498 ft (WAT is lower than STL)

## Airports

### [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

### [Waterford Airport (WAT)](https://www.flightduration.online/airport/wat-waterford-waterford-airport/1ef266de-c7b2-696c-93c2-06bb2780ed98)

- City: Waterford, Ireland
- ICAO: EIWF
- Timezone: Europe/Dublin
- Coordinates: 52.190000, -7.090000
- Elevation: 119 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 07:49 in St Louis, it's 13:49 in Waterford.
With a 6-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Waterford Airport (WAT)](https://www.flightduration.online/airport/wat-waterford-waterford-airport/1ef266de-c7b2-696c-93c2-06bb2780ed98)
- [Flight duration calculator](/#calculator)