# Distance from Addis Ababa (ADD) to Gaithersburg (GAI)

> 11,530 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,530 km / 7,165 mi / 6,226 nm
- **Estimated flight time**: 15h
- **Heading**: 314° (northwest)
- **Return heading**: 66° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Ethiopia) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -7h (When it's 13:56 in Addis Ababa, it's 06:56 in Gaithersburg)
- **Elevation difference**: 7,091 ft (GAI is lower than ADD)

## Airports

### [Bole International Airport (ADD)](https://www.flightduration.online/airport/add-addis-ababa-bole-international-airport/1ef266de-e9ca-65ea-ac78-06bb2780ed98)

- City: Addis Ababa, Ethiopia
- ICAO: HAAB
- Timezone: Africa/Addis_Ababa
- Coordinates: 8.980000, 38.800000
- Elevation: 7,630 ft

### [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

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 13:56 in Addis Ababa, it's 06:56 in Gaithersburg.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Bole International Airport (ADD)](https://www.flightduration.online/airport/add-addis-ababa-bole-international-airport/1ef266de-e9ca-65ea-ac78-06bb2780ed98)
- [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)
- [Flight duration calculator](/#calculator)