# Distance from Washington (IAD) to Thumrait (TTH)

> 11,955 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,955 km / 7,428 mi / 6,455 nm
- **Estimated flight time**: 15h
- **Heading**: 48° (northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Oman
- **Intercontinental**: North America → Asia
- **Time difference**: +8h (When it's 03:55 in Washington, it's 11:55 in Thumrait)
- **Elevation difference**: 1,258 ft (TTH is higher 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

### [Thumrait Air Base (TTH)](https://www.flightduration.online/airport/tth-thumrait-thumrait-air-base/1ef266df-8126-6236-bcee-06bb2780ed98)

- City: Thumrait, Oman
- ICAO: OOTH
- Timezone: Asia/Muscat
- Coordinates: 17.670000, 54.020000
- Elevation: 1,570 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 03:55 in Washington, it's 11:55 in Thumrait.
With a 8-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)
- [Thumrait Air Base (TTH)](https://www.flightduration.online/airport/tth-thumrait-thumrait-air-base/1ef266df-8126-6236-bcee-06bb2780ed98)
- [Flight duration calculator](/#calculator)