# Distance from Atwater (MER) to St Louis (STL)

> 2,638 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,638 km / 1,639 mi / 1,425 nm
- **Estimated flight time**: 4h
- **Heading**: 77° (east northeast)
- **Return heading**: 276° (west)
- **Classification**: Medium-haul
- **Type**: Domestic (United States)
- **Time difference**: +2h (When it's 11:21 in Atwater, it's 13:21 in St Louis)
- **Elevation difference**: 427 ft (STL is higher than MER)

## Airports

### [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)

- City: Atwater, United States
- ICAO: KMER
- Timezone: America/Los_Angeles
- Coordinates: 37.400000, -120.600000
- Elevation: 190 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 11:21 in Atwater, it's 13:21 in St Louis.

## Related

- [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-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)