# Distance from Seattle (SEA) to Tromsø (TOS)

> 6,615 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,615 km / 4,110 mi / 3,572 nm
- **Estimated flight time**: 9h
- **Heading**: 15° (north northeast)
- **Return heading**: 331° (north northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Norway
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 19:54 in Seattle, it's 04:54 in Tromsø)
- **Elevation difference**: 401 ft (TOS 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

### [Tromsø Airport (TOS)](https://flightduration.online/airport/tos-tromso-tromso-airport/1ef266de-c9b9-6efe-b41a-06bb2780ed98)

- City: Tromsø, Norway
- ICAO: ENTC
- Timezone: Europe/Oslo
- Coordinates: 69.680000, 18.920000
- Elevation: 31 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 19:54 in Seattle, it's 04:54 in Tromsø.
With a 9-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)
- [Tromsø Airport (TOS)](https://flightduration.online/airport/tos-tromso-tromso-airport/1ef266de-c9b9-6efe-b41a-06bb2780ed98)
- [Flight duration calculator](/#calculator)