# Distance from Seoul (ICN) to San Diego/El Cajon (SEE)

> 9,807 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,807 km / 6,094 mi / 5,296 nm
- **Estimated flight time**: 13h
- **Heading**: 49° (northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -16h (When it's 14:18 in Seoul, it's 22:18 in San Diego/El Cajon)
- **Elevation difference**: 365 ft (SEE 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

### [Gillespie Field (SEE)](https://www.flightduration.online/airport/see-san-diegoel-cajon-gillespie-field/1ef266df-37ed-6bfa-aaaa-06bb2780ed98)

- City: San Diego/El Cajon, United States
- ICAO: KSEE
- Timezone: America/Los_Angeles
- Coordinates: 32.830000, -116.970000
- Elevation: 388 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 14:18 in Seoul, it's 22:18 in San Diego/El Cajon.
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)
- [Gillespie Field (SEE)](https://www.flightduration.online/airport/see-san-diegoel-cajon-gillespie-field/1ef266df-37ed-6bfa-aaaa-06bb2780ed98)
- [Flight duration calculator](/#calculator)