# Distance from Hayward (HWD) to Seoul (ICN)

> 9,097 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,097 km / 5,653 mi / 4,912 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 03:32 in Hayward, it's 19:32 in Seoul)
- **Elevation difference**: 29 ft (ICN is lower than HWD)

## Airports

### [Hayward Executive Airport (HWD)](https://www.flightduration.online/airport/hwd-hayward-hayward-executive-airport/1ef266df-21ce-614e-bd1f-06bb2780ed98)

- City: Hayward, United States
- ICAO: KHWD
- Timezone: America/Los_Angeles
- Coordinates: 37.700000, -122.100000
- Elevation: 52 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 03:32 in Hayward, it's 19:32 in Seoul.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Hayward Executive Airport (HWD)](https://www.flightduration.online/airport/hwd-hayward-hayward-executive-airport/1ef266df-21ce-614e-bd1f-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)