# Distance from Seoul (ICN) to Lewistown (LWT)

> 9,098 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,098 km / 5,653 mi / 4,913 nm
- **Estimated flight time**: 12h
- **Heading**: 35° (northeast)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 07:03 in Seoul, it's 16:03 in Lewistown)
- **Elevation difference**: 4,147 ft (LWT is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://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

### [Lewistown Municipal Airport (LWT)](https://flightduration.online/airport/lwt-lewistown-lewistown-municipal-airport/1ef266df-28a1-6908-9dbc-06bb2780ed98)

- City: Lewistown, United States
- ICAO: KLWT
- Timezone: America/Denver
- Coordinates: 47.050000, -109.470000
- Elevation: 4,170 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 07:03 in Seoul, it's 16:03 in Lewistown.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Lewistown Municipal Airport (LWT)](https://flightduration.online/airport/lwt-lewistown-lewistown-municipal-airport/1ef266df-28a1-6908-9dbc-06bb2780ed98)
- [Flight duration calculator](/#calculator)