# Distance from Seoul (ICN) to San Antonio (SSF)

> 11,237 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,237 km / 6,983 mi / 6,068 nm
- **Estimated flight time**: 14h
- **Heading**: 39° (northeast)
- **Return heading**: 325° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 17:42 in Seoul, it's 03:42 in San Antonio)
- **Elevation difference**: 555 ft (SSF 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

### [Stinson Municipal Airport (SSF)](https://www.flightduration.online/airport/ssf-san-antonio-stinson-municipal-airport/1ef266df-398c-64b6-a074-06bb2780ed98)

- City: San Antonio, United States
- ICAO: KSSF
- Timezone: America/Chicago
- Coordinates: 29.340000, -98.470000
- Elevation: 578 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 17:42 in Seoul, it's 03:42 in San Antonio.
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)
- [Stinson Municipal Airport (SSF)](https://www.flightduration.online/airport/ssf-san-antonio-stinson-municipal-airport/1ef266df-398c-64b6-a074-06bb2780ed98)
- [Flight duration calculator](/#calculator)