# Distance from Sendai (SDJ) to Seattle (SEA)

> 7,439 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,439 km / 4,623 mi / 4,017 nm
- **Estimated flight time**: 10h
- **Heading**: 47° (northeast)
- **Return heading**: 302° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Japan) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -16h (When it's 08:49 in Sendai, it's 16:49 in Seattle)
- **Elevation difference**: 417 ft (SEA is higher than SDJ)

## Airports

### [Sendai Airport (SDJ)](https://www.flightduration.online/airport/sdj-sendai-sendai-airport/1ef266df-8c9d-6a2e-a275-06bb2780ed98)

- City: Sendai, Japan
- ICAO: RJSS
- Timezone: Asia/Tokyo
- Coordinates: 38.140000, 140.920000
- Elevation: 15 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 08:49 in Sendai, it's 16:49 in Seattle.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Sendai Airport (SDJ)](https://www.flightduration.online/airport/sdj-sendai-sendai-airport/1ef266df-8c9d-6a2e-a275-06bb2780ed98)
- [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)