# Distance from Rishiri (RIS) to St Louis (STL)

> 9,350 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,350 km / 5,810 mi / 5,049 nm
- **Estimated flight time**: 12h
- **Heading**: 38° (northeast)
- **Return heading**: 326° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 18:39 in Rishiri, it's 04:39 in St Louis)
- **Elevation difference**: 505 ft (STL is higher than RIS)

## Airports

### [Rishiri Airport (RIS)](https://www.flightduration.online/airport/ris-rishiri-rishiri-airport/1ef266df-8bb7-6538-8e8a-06bb2780ed98)

- City: Rishiri, Japan
- ICAO: RJER
- Timezone: Asia/Tokyo
- Coordinates: 45.240000, 141.190000
- Elevation: 112 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 18:39 in Rishiri, it's 04:39 in St Louis.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Rishiri Airport (RIS)](https://www.flightduration.online/airport/ris-rishiri-rishiri-airport/1ef266df-8bb7-6538-8e8a-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)