# Distance from King Khaled Air Base (KMX) to Seattle (SEA)

> 12,554 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,554 km / 7,801 mi / 6,779 nm
- **Estimated flight time**: 16h
- **Heading**: 349° (north)
- **Return heading**: 15° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Saudi Arabia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10h (When it's 06:58 in King Khaled Air Base, it's 20:58 in Seattle)
- **Elevation difference**: 6,346 ft (SEA is lower than KMX)

## Airports

### [King Khaled Air Base (KMX)](https://www.flightduration.online/airport/kmx-king-khaled-air-base/1ef266df-798f-6932-b9de-06bb2780ed98)

- City: King Khaled Air Base, Saudi Arabia
- ICAO: OEKM
- Timezone: Asia/Riyadh
- Coordinates: 18.300000, 42.800000
- Elevation: 6,778 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 06:58 in King Khaled Air Base, it's 20:58 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [King Khaled Air Base (KMX)](https://www.flightduration.online/airport/kmx-king-khaled-air-base/1ef266df-798f-6932-b9de-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)