# Distance from San Francisco (SFO) to Tainan City (TNN)

> 10,631 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,631 km / 6,606 mi / 5,740 nm
- **Estimated flight time**: 14h
- **Heading**: 305° (northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Taiwan
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 21:54 in San Francisco, it's 12:54 in Tainan City)
- **Elevation difference**: 50 ft (TNN 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

### [Tainan Airport (TNN)](https://www.flightduration.online/airport/tnn-tainan-city-tainan-airport/1ef266df-8aef-6c86-a5dd-06bb2780ed98)

- City: Tainan City, Taiwan
- ICAO: RCNN
- Timezone: Asia/Taipei
- Coordinates: 22.950000, 120.210000
- Elevation: 63 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 21:54 in San Francisco, it's 12:54 in Tainan City.
With a 15-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)
- [Tainan Airport (TNN)](https://www.flightduration.online/airport/tnn-tainan-city-tainan-airport/1ef266df-8aef-6c86-a5dd-06bb2780ed98)
- [Flight duration calculator](/#calculator)