# Distance from Seoul (ICN) to Rennes/Saint-Jacques (RNS)

> 9,211 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,211 km / 5,723 mi / 4,973 nm
- **Estimated flight time**: 12h
- **Heading**: 328° (north northwest)
- **Return heading**: 39° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → France
- **Intercontinental**: Asia → Europe
- **Time difference**: -7h (When it's 16:43 in Seoul, it's 09:43 in Rennes/Saint-Jacques)
- **Elevation difference**: 101 ft (RNS 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

### [Rennes-Saint-Jacques Airport (RNS)](https://www.flightduration.online/airport/rns-rennessaint-jacques-rennes-saint-jacques-airport/1ef266df-4cb1-66cc-9b10-06bb2780ed98)

- City: Rennes/Saint-Jacques, France
- ICAO: LFRN
- Timezone: Europe/Paris
- Coordinates: 48.070000, -1.730000
- Elevation: 124 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 16:43 in Seoul, it's 09:43 in Rennes/Saint-Jacques.
With a 7-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)
- [Rennes-Saint-Jacques Airport (RNS)](https://www.flightduration.online/airport/rns-rennessaint-jacques-rennes-saint-jacques-airport/1ef266df-4cb1-66cc-9b10-06bb2780ed98)
- [Flight duration calculator](/#calculator)