# Distance from Mersing (MEP) to St Louis (STL)

> 15,214 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,214 km / 9,454 mi / 8,215 nm
- **Estimated flight time**: 19h
- **Heading**: 16° (north northeast)
- **Return heading**: 339° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Malaysia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 21:32 in Mersing, it's 08:32 in St Louis)
- **Elevation difference**: 607 ft (STL is higher than MEP)

## Airports

### [Mersing Airport (MEP)](https://www.flightduration.online/airport/mep-mersing-mersing-airport/1ef266df-fe38-6d50-820b-06bb2780ed98)

- City: Mersing, Malaysia
- ICAO: WMAU
- Timezone: Asia/Kuala_Lumpur
- Coordinates: 2.380000, 103.870000
- Elevation: 10 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 an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 21:32 in Mersing, it's 08:32 in St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Mersing Airport (MEP)](https://www.flightduration.online/airport/mep-mersing-mersing-airport/1ef266df-fe38-6d50-820b-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)