# Distance from Washington (IAD) to Oecussi-Ambeno (OEC)

> 16,061 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,061 km / 9,980 mi / 8,672 nm
- **Estimated flight time**: 20h
- **Heading**: 321° (northwest)
- **Return heading**: 30° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Timor-Leste
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 22:00 in Washington, it's 11:00 in Oecussi-Ambeno)
- **Elevation difference**: 312 ft (OEC is lower than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.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

### [Oecussi Airport (OEC)](https://www.flightduration.online/airport/oec-oecussi-ambeno-oecussi-airport/1ef266df-ffa6-64e4-890f-06bb2780ed98)

- City: Oecussi-Ambeno, Timor-Leste
- ICAO: WPOC
- Timezone: Asia/Dili
- Coordinates: -9.200000, 124.340000
- Elevation: 0 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 22:00 in Washington, it's 11:00 in Oecussi-Ambeno.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Oecussi Airport (OEC)](https://www.flightduration.online/airport/oec-oecussi-ambeno-oecussi-airport/1ef266df-ffa6-64e4-890f-06bb2780ed98)
- [Flight duration calculator](/#calculator)