# Distance from Namsos (OSY) to Seattle (SEA)

> 6,943 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,943 km / 4,314 mi / 3,749 nm
- **Estimated flight time**: 9h
- **Heading**: 327° (north northwest)
- **Return heading**: 21° (north northeast)
- **Classification**: Long-haul
- **Type**: International (Norway) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 07:19 in Namsos, it's 22:19 in Seattle)
- **Elevation difference**: 425 ft (SEA is higher than OSY)

## Airports

### [Namsos Hoknesora Airport (OSY)](https://www.flightduration.online/airport/osy-namsos-namsos-hoknesora-airport/1ef266de-c953-6136-b6a6-06bb2780ed98)

- City: Namsos, Norway
- ICAO: ENNM
- Timezone: Europe/Oslo
- Coordinates: 64.470000, 11.580000
- Elevation: 7 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 07:19 in Namsos, it's 22:19 in Seattle.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Namsos Hoknesora Airport (OSY)](https://www.flightduration.online/airport/osy-namsos-namsos-hoknesora-airport/1ef266de-c953-6136-b6a6-06bb2780ed98)
- [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)