# Distance from Seoul (ICN) to Charlotte Amalie (STT)

> 13,695 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,695 km / 8,510 mi / 7,395 nm
- **Estimated flight time**: 17h
- **Heading**: 13° (north northeast)
- **Return heading**: 349° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 08:48 in Seoul, it's 19:48 in Charlotte Amalie)
- **Elevation difference**: 1 ft (STT 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

### [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)

- City: Charlotte Amalie, United States
- ICAO: TIST
- Timezone: America/St_Thomas
- Coordinates: 18.340000, -64.970000
- Elevation: 24 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 08:48 in Seoul, it's 19:48 in Charlotte Amalie.
With a 13-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)
- [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)
- [Flight duration calculator](/#calculator)