# Distance from Seoul (ICN) to Tainan City (TNN)

> 1,721 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 1,721 km / 1,069 mi / 929 nm
- **Estimated flight time**: 3h
- **Heading**: 202° (south southwest)
- **Return heading**: 19° (north northeast)
- **Classification**: Medium-haul
- **Type**: International (South Korea) → Taiwan
- **Time difference**: -1h (When it's 13:34 in Seoul, it's 12:34 in Tainan City)
- **Elevation difference**: 40 ft (TNN is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 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 a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 13:34 in Seoul, it's 12:34 in Tainan City.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Tainan Airport (TNN)](https://www.flightduration.online/airport/tnn-tainan-city-tainan-airport/1ef266df-8aef-6c86-a5dd-06bb2780ed98)
- [Flight duration calculator](/#calculator)