# Distance from Seattle (SEA) to Sumy (UMY)

> 8,866 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,866 km / 5,509 mi / 4,787 nm
- **Estimated flight time**: 11h
- **Heading**: 14° (north northeast)
- **Return heading**: 344° (north northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Ukraine
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 03:52 in Seattle, it's 13:52 in Sumy)
- **Elevation difference**: 162 ft (UMY is higher 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

### [Sumy Airport (UMY)](https://www.flightduration.online/airport/umy-sumy-sumy-airport/1ef266df-e6f2-6baa-a44a-06bb2780ed98)

- City: Sumy, Ukraine
- ICAO: UKHS
- Timezone: Europe/Kyiv
- Coordinates: 50.860000, 34.760000
- Elevation: 594 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 03:52 in Seattle, it's 13:52 in Sumy.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Sumy Airport (UMY)](https://www.flightduration.online/airport/umy-sumy-sumy-airport/1ef266df-e6f2-6baa-a44a-06bb2780ed98)
- [Flight duration calculator](/#calculator)