# Distance from Addis Ababa (ADD) to St Mary'S (KSM)

> 11,888 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,888 km / 7,387 mi / 6,419 nm
- **Estimated flight time**: 15h
- **Heading**: 11° (north)
- **Return heading**: 337° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Ethiopia) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -11h (When it's 18:05 in Addis Ababa, it's 07:05 in St Mary'S)
- **Elevation difference**: 7,316 ft (KSM 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

### [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)

- City: St Mary'S, United States
- ICAO: PASM
- Timezone: America/Nome
- Coordinates: 62.060000, -163.300000
- Elevation: 314 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 18:05 in Addis Ababa, it's 07:05 in St Mary'S.
With a 11-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)
- [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)
- [Flight duration calculator](/#calculator)