# Distance from Humacao (HUC) to Seoul (ICN)

> 13,700 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,700 km / 8,513 mi / 7,397 nm
- **Estimated flight time**: 17h
- **Heading**: 348° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 20:16 in Humacao, it's 09:16 in Seoul)
- **Elevation difference**: 12 ft (ICN is lower than HUC)

## Airports

### [Dr Hermenegildo Ortiz Quinones Airport (HUC)](https://www.flightduration.online/airport/huc-humacao-dr-hermenegildo-ortiz-quinones-airport/1ef266df-40a6-631e-8e77-06bb2780ed98)

- City: Humacao, United States
- ICAO: KX63
- Timezone: America/Puerto_Rico
- Coordinates: 18.140000, -65.800000
- Elevation: 35 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 20:16 in Humacao, it's 09:16 in Seoul.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Dr Hermenegildo Ortiz Quinones Airport (HUC)](https://www.flightduration.online/airport/huc-humacao-dr-hermenegildo-ortiz-quinones-airport/1ef266df-40a6-631e-8e77-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)