# Distance from Alton/St Louis (ALN) to Tokyo (HND)

> 10,285 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,285 km / 6,391 mi / 5,553 nm
- **Estimated flight time**: 13h
- **Heading**: 322° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Japan
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 15:55 in Alton/St Louis, it's 05:55 in Tokyo)
- **Elevation difference**: 509 ft (HND is lower than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 ft

### [Tokyo International Airport (HND)](https://www.flightduration.online/airport/hnd-tokyo-tokyo-international-airport/1ef266df-8cd8-6048-941e-06bb2780ed98)

- City: Tokyo, Japan
- ICAO: RJTT
- Timezone: Asia/Tokyo
- Coordinates: 35.550000, 139.780000
- Elevation: 35 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 15:55 in Alton/St Louis, it's 05:55 in Tokyo.
With a 14-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Tokyo International Airport (HND)](https://www.flightduration.online/airport/hnd-tokyo-tokyo-international-airport/1ef266df-8cd8-6048-941e-06bb2780ed98)
- [Flight duration calculator](/#calculator)