# Distance from Sundsvall/ Harnosand (SDL) to Seattle (SEA)

> 7,277 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,277 km / 4,522 mi / 3,929 nm
- **Estimated flight time**: 10h
- **Heading**: 331° (north northwest)
- **Return heading**: 19° (north northeast)
- **Classification**: Long-haul
- **Type**: International (Sweden) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 21:55 in Sundsvall/ Harnosand, it's 12:55 in Seattle)
- **Elevation difference**: 416 ft (SEA is higher than SDL)

## Airports

### [Sundsvall-Harnosand Airport (SDL)](https://www.flightduration.online/airport/sdl-sundsvall-harnosand-sundsvall-harnosand-airport/1ef266de-ccbc-6eda-b706-06bb2780ed98)

- City: Sundsvall/ Harnosand, Sweden
- ICAO: ESNN
- Timezone: Europe/Stockholm
- Coordinates: 62.530000, 17.440000
- Elevation: 16 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 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 21:55 in Sundsvall/ Harnosand, it's 12:55 in Seattle.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Sundsvall-Harnosand Airport (SDL)](https://www.flightduration.online/airport/sdl-sundsvall-harnosand-sundsvall-harnosand-airport/1ef266de-ccbc-6eda-b706-06bb2780ed98)
- [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)