# Distance from Yakushima Airport (KUM) to St Louis (STL)

> 11,231 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,231 km / 6,979 mi / 6,064 nm
- **Estimated flight time**: 14h
- **Heading**: 31° (north northeast)
- **Return heading**: 325° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 16:15 in Yakushima Airport, it's 02:15 in St Louis)
- **Elevation difference**: 493 ft (STL is higher than KUM)

## Airports

### [Yakushima Airport (KUM)](https://www.flightduration.online/airport/kum-yakushima-airport/1ef266df-8bbe-6f0e-83da-06bb2780ed98)

- City: Yakushima Airport, Japan
- ICAO: RJFC
- Timezone: Asia/Tokyo
- Coordinates: 30.390000, 130.660000
- Elevation: 124 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 16:15 in Yakushima Airport, it's 02:15 in St Louis.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Yakushima Airport (KUM)](https://www.flightduration.online/airport/kum-yakushima-airport/1ef266df-8bbe-6f0e-83da-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)