# Distance from Boston (BOS) to Yaounde (NSI)

> 9,118 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,118 km / 5,666 mi / 4,923 nm
- **Estimated flight time**: 12h
- **Heading**: 92° (east)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Cameroon
- **Intercontinental**: North America → Africa
- **Time difference**: +5h (When it's 15:26 in Boston, it's 20:26 in Yaounde)
- **Elevation difference**: 2,259 ft (NSI is higher than BOS)

## Airports

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 ft

### [Yaounde Nsimalen International Airport (NSI)](https://www.flightduration.online/airport/nsi-yaounde-yaounde-nsimalen-international-airport/1ef266de-d91a-616e-b5be-06bb2780ed98)

- City: Yaounde, Cameroon
- ICAO: FKYS
- Timezone: Africa/Douala
- Coordinates: 3.720000, 11.550000
- Elevation: 2,278 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 15:26 in Boston, it's 20:26 in Yaounde.
The 5-hour time difference may cause some jet lag.

## Related

- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [Yaounde Nsimalen International Airport (NSI)](https://www.flightduration.online/airport/nsi-yaounde-yaounde-nsimalen-international-airport/1ef266de-d91a-616e-b5be-06bb2780ed98)
- [Flight duration calculator](/#calculator)