# Distance from San Francisco (SFO) to Welkom (WEL)

> 16,948 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,948 km / 10,531 mi / 9,151 nm
- **Estimated flight time**: 21h
- **Heading**: 79° (east northeast)
- **Return heading**: 298° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Africa
- **Intercontinental**: North America → Africa
- **Time difference**: +9h (When it's 07:55 in San Francisco, it's 16:55 in Welkom)
- **Elevation difference**: 4,386 ft (WEL 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

### [Welkom Airport (WEL)](https://www.flightduration.online/airport/wel-welkom-welkom-airport/1ef266de-d571-6ed6-9b51-06bb2780ed98)

- City: Welkom, South Africa
- ICAO: FAWM
- Timezone: Africa/Johannesburg
- Coordinates: -28.000000, 26.670000
- Elevation: 4,399 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 07:55 in San Francisco, it's 16:55 in Welkom.
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)
- [Welkom Airport (WEL)](https://www.flightduration.online/airport/wel-welkom-welkom-airport/1ef266de-d571-6ed6-9b51-06bb2780ed98)
- [Flight duration calculator](/#calculator)