# Distance from Seoul (ICN) to San Jose (SJC)

> 9,134 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,134 km / 5,675 mi / 4,932 nm
- **Estimated flight time**: 12h
- **Heading**: 48° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -16h (When it's 07:12 in Seoul, it's 15:12 in San Jose)
- **Elevation difference**: 39 ft (SJC 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

### [Norman Y Mineta San Jose International Airport (SJC)](https://www.flightduration.online/airport/sjc-san-jose-norman-y-mineta-san-jose-international-airport/1ef266df-3892-6786-a7a4-06bb2780ed98)

- City: San Jose, United States
- ICAO: KSJC
- Timezone: America/Los_Angeles
- Coordinates: 37.360000, -121.930000
- Elevation: 62 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 07:12 in Seoul, it's 15:12 in San Jose.
With a 16-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)
- [Norman Y Mineta San Jose International Airport (SJC)](https://www.flightduration.online/airport/sjc-san-jose-norman-y-mineta-san-jose-international-airport/1ef266df-3892-6786-a7a4-06bb2780ed98)
- [Flight duration calculator](/#calculator)