# Distance from Napa (APC) to Seoul (ICN)

> 9,048 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,048 km / 5,622 mi / 4,885 nm
- **Estimated flight time**: 12h
- **Heading**: 312° (northwest)
- **Return heading**: 48° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +16h (When it's 02:49 in Napa, it's 18:49 in Seoul)
- **Elevation difference**: 13 ft (ICN is lower than APC)

## Airports

### [Napa County Airport (APC)](https://www.flightduration.online/airport/apc-napa-napa-county-airport/1ef266df-0e7e-6f80-b8be-06bb2780ed98)

- City: Napa, United States
- ICAO: KAPC
- Timezone: America/Los_Angeles
- Coordinates: 38.210000, -122.280000
- Elevation: 36 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 02:49 in Napa, it's 18:49 in Seoul.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Napa County Airport (APC)](https://www.flightduration.online/airport/apc-napa-napa-county-airport/1ef266df-0e7e-6f80-b8be-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)