# Distance from Seoul (ICN) to San Juan (UAQ)

> 18,505 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,505 km / 11,499 mi / 9,992 nm
- **Estimated flight time**: 23h
- **Heading**: 69° (east northeast)
- **Return heading**: 300° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 10:02 in Seoul, it's 22:02 in San Juan)
- **Elevation difference**: 1,935 ft (UAQ 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

### [Domingo Faustino Sarmiento Airport (UAQ)](https://www.flightduration.online/airport/uaq-san-juan-domingo-faustino-sarmiento-airport/1ef266df-9206-6588-91c6-06bb2780ed98)

- City: San Juan, Argentina
- ICAO: SANU
- Timezone: America/Argentina/San_Juan
- Coordinates: -31.570000, -68.420000
- Elevation: 1,958 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 10:02 in Seoul, it's 22:02 in San Juan.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Domingo Faustino Sarmiento Airport (UAQ)](https://www.flightduration.online/airport/uaq-san-juan-domingo-faustino-sarmiento-airport/1ef266df-9206-6588-91c6-06bb2780ed98)
- [Flight duration calculator](/#calculator)