# Distance from Gaithersburg (GAI) to Washington (IAD)

> 41 km · estimated flight time 1h · Regional route.

## Summary

- **Distance**: 41 km / 26 mi / 22 nm
- **Estimated flight time**: 1h
- **Heading**: 224° (southwest)
- **Return heading**: 43° (northeast)
- **Classification**: Regional
- **Type**: Domestic (United States)
- **Time difference**: +0h (When it's 21:22 in Gaithersburg, it's 21:22 in Washington)
- **Elevation difference**: 226 ft (IAD 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

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

## Route notes

This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

## Related

- [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)