# Distance from San Francisco (SFO) to Ranong Airport (UNN)

> 13,239 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,239 km / 8,226 mi / 7,148 nm
- **Estimated flight time**: 17h
- **Heading**: 312° (northwest)
- **Return heading**: 36° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 15:49 in San Francisco, it's 05:49 in Ranong Airport)
- **Elevation difference**: 44 ft (UNN 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

### [Ranong Airport (UNN)](https://www.flightduration.online/airport/unn-ranong-airport/1ef266df-f5b0-6138-85ec-06bb2780ed98)

- City: Ranong Airport, Thailand
- ICAO: VTSR
- Timezone: Asia/Bangkok
- Coordinates: 9.780000, 98.590000
- Elevation: 57 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 15:49 in San Francisco, it's 05:49 in Ranong Airport.
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)
- [Ranong Airport (UNN)](https://www.flightduration.online/airport/unn-ranong-airport/1ef266df-f5b0-6138-85ec-06bb2780ed98)
- [Flight duration calculator](/#calculator)