# Distance from Ad Dammam (DMM) to Seattle (SEA)

> 11,758 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,758 km / 7,306 mi / 6,349 nm
- **Estimated flight time**: 15h
- **Heading**: 354° (north)
- **Return heading**: 7° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Saudi Arabia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10h (When it's 03:17 in Ad Dammam, it's 17:17 in Seattle)
- **Elevation difference**: 360 ft (SEA is higher than DMM)

## Airports

### [King Fahd International Airport (DMM)](https://www.flightduration.online/airport/dmm-ad-dammam-king-fahd-international-airport/1ef266df-7959-6468-926b-06bb2780ed98)

- City: Ad Dammam, Saudi Arabia
- ICAO: OEDF
- Timezone: Asia/Riyadh
- Coordinates: 26.470000, 49.800000
- Elevation: 72 ft

### [Seattle-Tacoma International Airport (SEA)](https://www.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 03:17 in Ad Dammam, it's 17:17 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [King Fahd International Airport (DMM)](https://www.flightduration.online/airport/dmm-ad-dammam-king-fahd-international-airport/1ef266df-7959-6468-926b-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)