# Distance from Nantucket (ACK) to Seoul (ICN)

> 11,096 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,096 km / 6,895 mi / 5,991 nm
- **Estimated flight time**: 14h
- **Heading**: 347° (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 10:32 in Nantucket, it's 23:32 in Seoul)
- **Elevation difference**: 24 ft (ICN is lower than ACK)

## Airports

### [Nantucket Memorial Airport (ACK)](https://www.flightduration.online/airport/ack-nantucket-nantucket-memorial-airport/1ef266df-0d24-6e78-82bb-06bb2780ed98)

- City: Nantucket, United States
- ICAO: KACK
- Timezone: America/New_York
- Coordinates: 41.300000, -70.100000
- Elevation: 47 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 10:32 in Nantucket, it's 23:32 in Seoul.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Nantucket Memorial Airport (ACK)](https://www.flightduration.online/airport/ack-nantucket-nantucket-memorial-airport/1ef266df-0d24-6e78-82bb-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)