# Distance from Washington (IAD) to Mae Hong Son (PYY)

> 13,522 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,522 km / 8,402 mi / 7,301 nm
- **Estimated flight time**: 17h
- **Heading**: 4° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 16:06 in Washington, it's 03:06 in Mae Hong Son)
- **Elevation difference**: 959 ft (PYY is higher 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

### [Mae Hong Son Airport (PYY)](https://flightduration.online/airport/pyy-mae-hong-son-mae-hong-son-airport/1ef266df-f52d-653a-b36f-06bb2780ed98)

- City: Mae Hong Son, Thailand
- ICAO: VTCI
- Timezone: Asia/Bangkok
- Coordinates: 19.370000, 98.440000
- Elevation: 1,271 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 16:06 in Washington, it's 03:06 in Mae Hong Son.
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)
- [Mae Hong Son Airport (PYY)](https://flightduration.online/airport/pyy-mae-hong-son-mae-hong-son-airport/1ef266df-f52d-653a-b36f-06bb2780ed98)
- [Flight duration calculator](/#calculator)