# Distance from Washington (IAD) to Sukhothai Airport (THS)

> 13,766 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,766 km / 8,554 mi / 7,433 nm
- **Estimated flight time**: 17h
- **Heading**: 3° (north)
- **Return heading**: 357° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 21:27 in Washington, it's 08:27 in Sukhothai Airport)
- **Elevation difference**: 133 ft (THS 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

### [Sukhothai Airport (THS)](https://flightduration.online/airport/ths-sukhothai-airport/1ef266df-f568-6f2c-9e77-06bb2780ed98)

- City: Sukhothai Airport, Thailand
- ICAO: VTPO
- Timezone: Asia/Bangkok
- Coordinates: 17.240000, 99.820000
- Elevation: 179 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 21:27 in Washington, it's 08:27 in Sukhothai Airport.
With a 11-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)
- [Sukhothai Airport (THS)](https://flightduration.online/airport/ths-sukhothai-airport/1ef266df-f568-6f2c-9e77-06bb2780ed98)
- [Flight duration calculator](/#calculator)