# Distance from Nashua (ASH) to Seoul (ICN)

> 10,909 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,909 km / 6,778 mi / 5,890 nm
- **Estimated flight time**: 14h
- **Heading**: 346° (north northwest)
- **Return heading**: 13° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 18:05 in Nashua, it's 07:05 in Seoul)
- **Elevation difference**: 177 ft (ICN is lower than ASH)

## Airports

### [Boire Field (ASH)](https://www.flightduration.online/airport/ash-nashua-boire-field/1ef266df-0eec-61b6-9d0d-06bb2780ed98)

- City: Nashua, United States
- ICAO: KASH
- Timezone: America/New_York
- Coordinates: 42.780000, -71.510000
- Elevation: 200 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 18:05 in Nashua, it's 07:05 in Seoul.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Boire Field (ASH)](https://www.flightduration.online/airport/ash-nashua-boire-field/1ef266df-0eec-61b6-9d0d-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)