# Distance from Gaithersburg (GAI) to Seattle (SEA)

> 3,711 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,711 km / 2,306 mi / 2,004 nm
- **Estimated flight time**: 5h
- **Heading**: 299° (west northwest)
- **Return heading**: 87° (east)
- **Classification**: Medium-haul
- **Type**: Domestic (United States)
- **Time difference**: -3h (When it's 00:33 in Gaithersburg, it's 21:33 in Seattle)
- **Elevation difference**: 106 ft (SEA is lower than GAI)

## Airports

### [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)

- City: Gaithersburg, United States
- ICAO: KGAI
- Timezone: America/New_York
- Coordinates: 39.170000, -77.170000
- Elevation: 539 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 00:33 in Gaithersburg, it's 21:33 in Seattle.
The 3-hour time difference may cause some jet lag.

## Related

- [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-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)