# Distance from San Francisco (SFO) to Semonkong (SOK)

> 17,162 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,162 km / 10,664 mi / 9,267 nm
- **Estimated flight time**: 21h
- **Heading**: 81° (east)
- **Return heading**: 296° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Lesotho
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 17:55 in San Francisco, it's 02:55 in Semonkong)
- **Elevation difference**: 7,187 ft (SOK is higher than SFO)

## Airports

### [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)

- City: San Francisco, United States
- ICAO: KSFO
- Timezone: America/Los_Angeles
- Coordinates: 37.620000, -122.380000
- Elevation: 13 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 17:55 in San Francisco, it's 02:55 in Semonkong.
With a 9-hour time difference, expect significant jet lag.

## Related

- [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)
- [Semonkong Airport (SOK)](https://www.flightduration.online/airport/sok-semonkong-semonkong-airport/1ef266de-e0a6-68c4-a1ee-06bb2780ed98)
- [Flight duration calculator](/#calculator)