# Distance from Mashhad (MHD) to Seattle (SEA)

> 10,707 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,707 km / 6,653 mi / 5,781 nm
- **Estimated flight time**: 14h
- **Heading**: 1° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Iran) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 03:51 in Mashhad, it's 17:21 in Seattle)
- **Elevation difference**: 2,831 ft (SEA is lower than MHD)

## Airports

### [Mashhad International Airport (MHD)](https://flightduration.online/airport/mhd-mashhad-mashhad-international-airport/1ef266df-7dfb-64bc-a1a2-06bb2780ed98)

- City: Mashhad, Iran
- ICAO: OIMM
- Timezone: Asia/Tehran
- Coordinates: 36.240000, 59.640000
- Elevation: 3,263 ft

### [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 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 03:51 in Mashhad, it's 17:21 in Seattle.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Mashhad International Airport (MHD)](https://flightduration.online/airport/mhd-mashhad-mashhad-international-airport/1ef266df-7dfb-64bc-a1a2-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)