# Distance from St Mary'S (KSM) to Nairobi (NBO)

> 13,052 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,052 km / 8,110 mi / 7,048 nm
- **Estimated flight time**: 16h
- **Heading**: 337° (north northwest)
- **Return heading**: 11° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kenya
- **Intercontinental**: North America → Africa
- **Time difference**: +11h (When it's 21:56 in St Mary'S, it's 08:56 in Nairobi)
- **Elevation difference**: 5,016 ft (NBO is higher than KSM)

## Airports

### [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

### [Jomo Kenyatta International Airport (NBO)](https://www.flightduration.online/airport/nbo-nairobi-jomo-kenyatta-international-airport/1ef266de-ec1d-68ec-a027-06bb2780ed98)

- City: Nairobi, Kenya
- ICAO: HKJK
- Timezone: Africa/Nairobi
- Coordinates: -1.320000, 36.930000
- Elevation: 5,330 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 21:56 in St Mary'S, it's 08:56 in Nairobi.
With a 11-hour time difference, expect significant jet lag.

## Related

- [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)
- [Jomo Kenyatta International Airport (NBO)](https://www.flightduration.online/airport/nbo-nairobi-jomo-kenyatta-international-airport/1ef266de-ec1d-68ec-a027-06bb2780ed98)
- [Flight duration calculator](/#calculator)