# Distance from Seattle (SEA) to Sievierodonetsk (SEV)

> 9,144 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,144 km / 5,682 mi / 4,937 nm
- **Estimated flight time**: 12h
- **Heading**: 13° (north northeast)
- **Return heading**: 347° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Ukraine
- **Intercontinental**: North America → Europe
- **Elevation difference**: 196 ft (SEV is lower than SEA)

## Airports

### [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

### [Sievierodonetsk Airport (SEV)](https://www.flightduration.online/airport/sev-sievierodonetsk-sievierodonetsk-airport/1ef266df-e6b3-62a2-99a6-06bb2780ed98)

- City: Sievierodonetsk, Ukraine
- ICAO: UKCS
- Timezone: Europe/Zaporozhye
- Coordinates: 48.900000, 38.540000
- Elevation: 236 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.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Sievierodonetsk Airport (SEV)](https://www.flightduration.online/airport/sev-sievierodonetsk-sievierodonetsk-airport/1ef266df-e6b3-62a2-99a6-06bb2780ed98)
- [Flight duration calculator](/#calculator)