# Distance from Alton/St Louis (ALN) to Nairobi (NBO)

> 13,216 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,216 km / 8,212 mi / 7,136 nm
- **Estimated flight time**: 17h
- **Heading**: 66° (east northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Kenya
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 18:09 in Alton/St Louis, it's 02:09 in Nairobi)
- **Elevation difference**: 4,787 ft (NBO is higher than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 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 18:09 in Alton/St Louis, it's 02:09 in Nairobi.
With a 8-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-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)