# Distance from St Mary'S (KSM) to St Louis (STL)

> 5,413 km · estimated flight time 7h · Long-haul route.

## Summary

- **Distance**: 5,413 km / 3,364 mi / 2,923 nm
- **Estimated flight time**: 7h
- **Heading**: 83° (east)
- **Return heading**: 323° (northwest)
- **Classification**: Long-haul
- **Type**: Domestic (United States)
- **Time difference**: +3h (When it's 19:32 in St Mary'S, it's 22:32 in St Louis)
- **Elevation difference**: 303 ft (STL is higher than KSM)

## Airports

### [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)

- City: St Mary'S, United States
- ICAO: PASM
- Timezone: America/Nome
- Coordinates: 62.060000, -163.300000
- Elevation: 314 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 19:32 in St Mary'S, it's 22:32 in St Louis.
The 3-hour time difference may cause some jet lag.

## Related

- [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-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)