# Distance from Nairobi (NBO) to Port Alsworth (PTA)

> 13,397 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,397 km / 8,325 mi / 7,234 nm
- **Estimated flight time**: 17h
- **Heading**: 6° (north)
- **Return heading**: 347° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Kenya) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -11h (When it's 09:40 in Nairobi, it's 22:40 in Port Alsworth)
- **Elevation difference**: 5,050 ft (PTA is lower than NBO)

## Airports

### [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

### [Port Alsworth Airport (PTA)](https://www.flightduration.online/airport/pta-port-alsworth-port-alsworth-airport/1ef266df-3c0a-66ac-980f-06bb2780ed98)

- City: Port Alsworth, United States
- ICAO: KTPO
- Timezone: America/Anchorage
- Coordinates: 60.200000, -154.320000
- Elevation: 280 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 09:40 in Nairobi, it's 22:40 in Port Alsworth.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Jomo Kenyatta International Airport (NBO)](https://www.flightduration.online/airport/nbo-nairobi-jomo-kenyatta-international-airport/1ef266de-ec1d-68ec-a027-06bb2780ed98)
- [Port Alsworth Airport (PTA)](https://www.flightduration.online/airport/pta-port-alsworth-port-alsworth-airport/1ef266df-3c0a-66ac-980f-06bb2780ed98)
- [Flight duration calculator](/#calculator)