# Distance from Addis Ababa (ADD) to Houghton Lake (HTL)

> 11,818 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,818 km / 7,343 mi / 6,381 nm
- **Estimated flight time**: 15h
- **Heading**: 322° (northwest)
- **Return heading**: 59° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Ethiopia) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -7h (When it's 00:15 in Addis Ababa, it's 17:15 in Houghton Lake)
- **Elevation difference**: 6,480 ft (HTL 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

### [Roscommon County/Blodgett Memorial Airport (HTL)](https://www.flightduration.online/airport/htl-houghton-lake-roscommon-countyblodgett-memorial-airport/1ef266df-2198-61a2-b7d7-06bb2780ed98)

- City: Houghton Lake, United States
- ICAO: KHTL
- Timezone: America/Detroit
- Coordinates: 44.400000, -84.700000
- Elevation: 1,150 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 00:15 in Addis Ababa, it's 17:15 in Houghton Lake.
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)
- [Roscommon County/Blodgett Memorial Airport (HTL)](https://www.flightduration.online/airport/htl-houghton-lake-roscommon-countyblodgett-memorial-airport/1ef266df-2198-61a2-b7d7-06bb2780ed98)
- [Flight duration calculator](/#calculator)