# Distance from Boston (BOS) to Semonkong (SOK)

> 12,884 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,884 km / 8,006 mi / 6,957 nm
- **Estimated flight time**: 16h
- **Heading**: 108° (east southeast)
- **Return heading**: 306° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Lesotho
- **Intercontinental**: North America → Africa
- **Time difference**: +6h (When it's 06:11 in Boston, it's 12:11 in Semonkong)
- **Elevation difference**: 7,181 ft (SOK 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

### [Semonkong Airport (SOK)](https://www.flightduration.online/airport/sok-semonkong-semonkong-airport/1ef266de-e0a6-68c4-a1ee-06bb2780ed98)

- City: Semonkong, Lesotho
- ICAO: FXSM
- Timezone: Africa/Maseru
- Coordinates: -29.840000, 28.060000
- Elevation: 7,200 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 06:11 in Boston, it's 12:11 in Semonkong.
With a 6-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)
- [Semonkong Airport (SOK)](https://www.flightduration.online/airport/sok-semonkong-semonkong-airport/1ef266de-e0a6-68c4-a1ee-06bb2780ed98)
- [Flight duration calculator](/#calculator)