# Distance from Seoul (ICN) to Marks (MMS)

> 11,184 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,184 km / 6,950 mi / 6,039 nm
- **Estimated flight time**: 14h
- **Heading**: 30° (north northeast)
- **Return heading**: 331° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 12:12 in Seoul, it's 22:12 in Marks)
- **Elevation difference**: 139 ft (MMS 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

### [Selfs Airport (MMS)](https://www.flightduration.online/airport/mms-marks-selfs-airport/1ef266df-2b94-694e-a062-06bb2780ed98)

- City: Marks, United States
- ICAO: KMMS
- Timezone: America/Chicago
- Coordinates: 34.230000, -90.290000
- Elevation: 162 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 12:12 in Seoul, it's 22:12 in Marks.
With a 14-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)
- [Selfs Airport (MMS)](https://www.flightduration.online/airport/mms-marks-selfs-airport/1ef266df-2b94-694e-a062-06bb2780ed98)
- [Flight duration calculator](/#calculator)