# Distance from Formosa (FMA) to Seoul (ICN)

> 18,688 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,688 km / 11,612 mi / 10,091 nm
- **Estimated flight time**: 23h
- **Heading**: 342° (north northwest)
- **Return heading**: 21° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → South Korea
- **Intercontinental**: South America → Asia
- **Time difference**: +12h (When it's 09:19 in Formosa, it's 21:19 in Seoul)
- **Elevation difference**: 170 ft (ICN is lower than FMA)

## Airports

### [Formosa Airport (FMA)](https://www.flightduration.online/airport/fma-formosa-formosa-airport/1ef266df-923c-694e-8a45-06bb2780ed98)

- City: Formosa, Argentina
- ICAO: SARF
- Timezone: America/Argentina/Cordoba
- Coordinates: -26.210000, -58.230000
- Elevation: 193 ft

### [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

## 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 09:19 in Formosa, it's 21:19 in Seoul.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Formosa Airport (FMA)](https://www.flightduration.online/airport/fma-formosa-formosa-airport/1ef266df-923c-694e-8a45-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)