# Distance from Seoul (ICN) to Necochea (NEC)

> 19,540 km · estimated flight time 24h · Ultra-long-haul route.

## Summary

- **Distance**: 19,540 km / 12,141 mi / 10,551 nm
- **Estimated flight time**: 24h
- **Heading**: 105° (east southeast)
- **Return heading**: 258° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 14:58 in Seoul, it's 02:58 in Necochea)
- **Elevation difference**: 49 ft (NEC 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

### [Necochea Airport (NEC)](https://www.flightduration.online/airport/nec-necochea-necochea-airport/1ef266df-9374-6df2-8aed-06bb2780ed98)

- City: Necochea, Argentina
- ICAO: SAZO
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -38.480000, -58.820000
- Elevation: 72 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 14:58 in Seoul, it's 02:58 in Necochea.
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)
- [Necochea Airport (NEC)](https://www.flightduration.online/airport/nec-necochea-necochea-airport/1ef266df-9374-6df2-8aed-06bb2780ed98)
- [Flight duration calculator](/#calculator)