# Distance from Seattle (SEA) to Seinajoki / Ilmajoki (SJY)

> 7,386 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,386 km / 4,589 mi / 3,988 nm
- **Estimated flight time**: 10h
- **Heading**: 17° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Finland
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 23:45 in Seattle, it's 09:45 in Seinajoki / Ilmajoki)
- **Elevation difference**: 130 ft (SJY is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://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

### [Seinajoki Airport (SJY)](https://flightduration.online/airport/sjy-seinajoki-ilmajoki-seinajoki-airport/1ef266de-c22a-66e8-98b7-06bb2780ed98)

- City: Seinajoki / Ilmajoki, Finland
- ICAO: EFSI
- Timezone: Europe/Helsinki
- Coordinates: 62.690000, 22.830000
- Elevation: 302 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 23:45 in Seattle, it's 09:45 in Seinajoki / Ilmajoki.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Seinajoki Airport (SJY)](https://flightduration.online/airport/sjy-seinajoki-ilmajoki-seinajoki-airport/1ef266de-c22a-66e8-98b7-06bb2780ed98)
- [Flight duration calculator](/#calculator)