# Distance from Dillon (DLN) to Seoul (ICN)

> 9,084 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,084 km / 5,645 mi / 4,905 nm
- **Estimated flight time**: 12h
- **Heading**: 317° (northwest)
- **Return heading**: 38° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 08:07 in Dillon, it's 23:07 in Seoul)
- **Elevation difference**: 5,222 ft (ICN is lower than DLN)

## Airports

### [Dillon Airport (DLN)](https://www.flightduration.online/airport/dln-dillon-dillon-airport/1ef266df-175a-6082-9a07-06bb2780ed98)

- City: Dillon, United States
- ICAO: KDLN
- Timezone: America/Denver
- Coordinates: 45.260000, -112.550000
- Elevation: 5,245 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 08:07 in Dillon, it's 23:07 in Seoul.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Dillon Airport (DLN)](https://www.flightduration.online/airport/dln-dillon-dillon-airport/1ef266df-175a-6082-9a07-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)