# Distance from Boston (BOS) to Kilwa Masoko (KIY)

> 12,358 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,358 km / 7,679 mi / 6,673 nm
- **Estimated flight time**: 16h
- **Heading**: 83° (east)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Tanzania
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 12:10 in Boston, it's 19:10 in Kilwa Masoko)
- **Elevation difference**: 31 ft (KIY 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

### [Kilwa Masoko Airport (KIY)](https://www.flightduration.online/airport/kiy-kilwa-masoko-kilwa-masoko-airport/1ef266de-ee9f-6b9c-93ed-06bb2780ed98)

- City: Kilwa Masoko, Tanzania
- ICAO: HTKI
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -8.930000, 39.520000
- Elevation: 50 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 12:10 in Boston, it's 19:10 in Kilwa Masoko.
With a 7-hour time difference, expect significant 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)
- [Kilwa Masoko Airport (KIY)](https://www.flightduration.online/airport/kiy-kilwa-masoko-kilwa-masoko-airport/1ef266de-ee9f-6b9c-93ed-06bb2780ed98)
- [Flight duration calculator](/#calculator)