# Distance from Seoul (ICN) to Sacramento (SMF)

> 9,056 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,056 km / 5,627 mi / 4,890 nm
- **Estimated flight time**: 12h
- **Heading**: 47° (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 12:04 in Seoul, it's 20:04 in Sacramento)
- **Elevation difference**: 4 ft (SMF 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

### [Sacramento International Airport (SMF)](https://www.flightduration.online/airport/smf-sacramento-sacramento-international-airport/1ef266df-38f7-6bea-8025-06bb2780ed98)

- City: Sacramento, United States
- ICAO: KSMF
- Timezone: America/Los_Angeles
- Coordinates: 38.700000, -121.590000
- Elevation: 27 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 12:04 in Seoul, it's 20:04 in Sacramento.
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)
- [Sacramento International Airport (SMF)](https://www.flightduration.online/airport/smf-sacramento-sacramento-international-airport/1ef266df-38f7-6bea-8025-06bb2780ed98)
- [Flight duration calculator](/#calculator)