# Distance from Washington (DCA) to Roi Et Airport (ROI)

> 13,902 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,902 km / 8,638 mi / 7,507 nm
- **Estimated flight time**: 17h
- **Heading**: 359° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 18:15 in Washington, it's 05:15 in Roi Et Airport)
- **Elevation difference**: 437 ft (ROI is higher than DCA)

## Airports

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 ft

### [Roi Et Airport (ROI)](https://www.flightduration.online/airport/roi-roi-et-airport/1ef266df-f5e7-6d68-8abb-06bb2780ed98)

- City: Roi Et Airport, Thailand
- ICAO: VTUV
- Timezone: Asia/Bangkok
- Coordinates: 16.120000, 103.770000
- Elevation: 451 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 18:15 in Washington, it's 05:15 in Roi Et Airport.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Roi Et Airport (ROI)](https://www.flightduration.online/airport/roi-roi-et-airport/1ef266df-f5e7-6d68-8abb-06bb2780ed98)
- [Flight duration calculator](/#calculator)