# Distance from Seoul (ICN) to Palo Alto (PAO)

> 9,114 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,114 km / 5,663 mi / 4,921 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 06:14 in Seoul, it's 14:14 in Palo Alto)
- **Elevation difference**: 16 ft (PAO is lower 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

### [Palo Alto Airport (PAO)](https://www.flightduration.online/airport/pao-palo-alto-palo-alto-airport/1ef266df-3217-6294-bcac-06bb2780ed98)

- City: Palo Alto, United States
- ICAO: KPAO
- Timezone: America/Los_Angeles
- Coordinates: 37.460000, -122.120000
- Elevation: 7 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 06:14 in Seoul, it's 14:14 in Palo Alto.
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)
- [Palo Alto Airport (PAO)](https://www.flightduration.online/airport/pao-palo-alto-palo-alto-airport/1ef266df-3217-6294-bcac-06bb2780ed98)
- [Flight duration calculator](/#calculator)