# Distance from Seosan (HMY) to Portland (PDX)

> 8,551 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,551 km / 5,313 mi / 4,617 nm
- **Estimated flight time**: 11h
- **Heading**: 42° (northeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (South Korea) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -16h (When it's 21:05 in Seosan, it's 05:05 in Portland)
- **Elevation difference**: 8 ft (PDX is lower than HMY)

## Airports

### [Seosan Air Base (HMY)](https://flightduration.online/airport/hmy-seosan-seosan-air-base/1ef266df-8e37-6862-80fa-06bb2780ed98)

- City: Seosan, South Korea
- ICAO: RKTP
- Timezone: Asia/Seoul
- Coordinates: 36.700000, 126.490000
- Elevation: 39 ft

### [Portland International Airport (PDX)](https://flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 21:05 in Seosan, it's 05:05 in Portland.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Seosan Air Base (HMY)](https://flightduration.online/airport/hmy-seosan-seosan-air-base/1ef266df-8e37-6862-80fa-06bb2780ed98)
- [Portland International Airport (PDX)](https://flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [Flight duration calculator](/#calculator)