# Distance from Riyan (RIY) to Seattle (SEA)

> 13,059 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,059 km / 8,115 mi / 7,051 nm
- **Estimated flight time**: 16h
- **Heading**: 354° (north)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Yemen) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10h (When it's 04:59 in Riyan, it's 18:59 in Seattle)
- **Elevation difference**: 378 ft (SEA is higher than RIY)

## Airports

### [Mukalla International Airport (RIY)](https://www.flightduration.online/airport/riy-riyan-mukalla-international-airport/1ef266df-84ca-6a9a-b18b-06bb2780ed98)

- City: Riyan, Yemen
- ICAO: OYRN
- Timezone: Asia/Aden
- Coordinates: 14.660000, 49.380000
- Elevation: 54 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 04:59 in Riyan, it's 18:59 in Seattle.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Mukalla International Airport (RIY)](https://www.flightduration.online/airport/riy-riyan-mukalla-international-airport/1ef266df-84ca-6a9a-b18b-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)