# Distance from Nashua (ASH) to Seattle (SEA)

> 3,948 km · estimated flight time 6h · Medium-haul route.

## Summary

- **Distance**: 3,948 km / 2,453 mi / 2,132 nm
- **Estimated flight time**: 6h
- **Heading**: 296° (west northwest)
- **Return heading**: 78° (east northeast)
- **Classification**: Medium-haul
- **Type**: Domestic (United States)
- **Time difference**: -3h (When it's 21:30 in Nashua, it's 18:30 in Seattle)
- **Elevation difference**: 232 ft (SEA is higher than ASH)

## Airports

### [Boire Field (ASH)](https://www.flightduration.online/airport/ash-nashua-boire-field/1ef266df-0eec-61b6-9d0d-06bb2780ed98)

- City: Nashua, United States
- ICAO: KASH
- Timezone: America/New_York
- Coordinates: 42.780000, -71.510000
- Elevation: 200 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 21:30 in Nashua, it's 18:30 in Seattle.
The 3-hour time difference may cause some jet lag.

## Related

- [Boire Field (ASH)](https://www.flightduration.online/airport/ash-nashua-boire-field/1ef266df-0eec-61b6-9d0d-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)