# Distance from San Francisco (SFO) to Rayong (UTP)

> 12,823 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,823 km / 7,968 mi / 6,924 nm
- **Estimated flight time**: 16h
- **Heading**: 312° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 12:52 in San Francisco, it's 02:52 in Rayong)
- **Elevation difference**: 29 ft (UTP 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

### [U-Tapao International Airport (UTP)](https://www.flightduration.online/airport/utp-rayong-u-tapao-international-airport/1ef266df-f519-6d1e-9a6a-06bb2780ed98)

- City: Rayong, Thailand
- ICAO: VTBU
- Timezone: Asia/Bangkok
- Coordinates: 12.680000, 101.000000
- Elevation: 42 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 12:52 in San Francisco, it's 02:52 in Rayong.
With a 14-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)
- [U-Tapao International Airport (UTP)](https://www.flightduration.online/airport/utp-rayong-u-tapao-international-airport/1ef266df-f519-6d1e-9a6a-06bb2780ed98)
- [Flight duration calculator](/#calculator)