# Distance from Seoul (ICN) to Rio Mayo (ROY)

> 18,357 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,357 km / 11,406 mi / 9,912 nm
- **Estimated flight time**: 23h
- **Heading**: 129° (southeast)
- **Return heading**: 242° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -12h (When it's 12:49 in Seoul, it's 00:49 in Rio Mayo)
- **Elevation difference**: 1,761 ft (ROY 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

### [Rio Mayo Airport (ROY)](https://www.flightduration.online/airport/roy-rio-mayo-rio-mayo-airport/1ef266df-9308-604e-9118-06bb2780ed98)

- City: Rio Mayo, Argentina
- ICAO: SAWM
- Timezone: America/Argentina/Catamarca
- Coordinates: -45.700000, -70.250000
- Elevation: 1,784 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 12:49 in Seoul, it's 00:49 in Rio Mayo.
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)
- [Rio Mayo Airport (ROY)](https://www.flightduration.online/airport/roy-rio-mayo-rio-mayo-airport/1ef266df-9308-604e-9118-06bb2780ed98)
- [Flight duration calculator](/#calculator)