# Distance from Siem Reap (REP) to San Francisco (SFO)

> 12,573 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,573 km / 7,812 mi / 6,789 nm
- **Estimated flight time**: 16h
- **Heading**: 38° (northeast)
- **Return heading**: 310° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Cambodia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 04:49 in Siem Reap, it's 14:49 in San Francisco)
- **Elevation difference**: 47 ft (SFO is lower than REP)

## Airports

### [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSR
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.410000, 103.810000
- Elevation: 60 ft

### [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

## 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 04:49 in Siem Reap, it's 14:49 in San Francisco.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)
- [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)
- [Flight duration calculator](/#calculator)