# Distance from Washington (IAD) to Okushiri Airport (OIR)

> 10,269 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,269 km / 6,381 mi / 5,545 nm
- **Estimated flight time**: 13h
- **Heading**: 333° (north northwest)
- **Return heading**: 28° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Japan
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 08:45 in Washington, it's 21:45 in Okushiri Airport)
- **Elevation difference**: 151 ft (OIR is lower than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Okushiri Airport (OIR)](https://flightduration.online/airport/oir-okushiri-airport/1ef266df-8bb3-60e6-a096-06bb2780ed98)

- City: Okushiri Airport, Japan
- ICAO: RJEO
- Timezone: Asia/Tokyo
- Coordinates: 42.070000, 139.430000
- Elevation: 161 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 08:45 in Washington, it's 21:45 in Okushiri Airport.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Okushiri Airport (OIR)](https://flightduration.online/airport/oir-okushiri-airport/1ef266df-8bb3-60e6-a096-06bb2780ed98)
- [Flight duration calculator](/#calculator)