# Distance from Curitiba (CWB) to Seosan (HMY)

> 18,707 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,707 km / 11,624 mi / 10,101 nm
- **Estimated flight time**: 23h
- **Heading**: 17° (north northeast)
- **Return heading**: 340° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → South Korea
- **Intercontinental**: South America → Asia
- **Time difference**: +12h (When it's 15:56 in Curitiba, it's 03:56 in Seosan)
- **Elevation difference**: 2,949 ft (HMY is lower than CWB)

## Airports

### [Afonso Pena Airport (CWB)](https://www.flightduration.online/airport/cwb-curitiba-afonso-pena-airport/1ef266df-9442-6e5a-a41e-06bb2780ed98)

- City: Curitiba, Brazil
- ICAO: SBCT
- Timezone: America/Sao_Paulo
- Coordinates: -25.530000, -49.180000
- Elevation: 2,988 ft

### [Seosan Air Base (HMY)](https://www.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

## 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 15:56 in Curitiba, it's 03:56 in Seosan.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Afonso Pena Airport (CWB)](https://www.flightduration.online/airport/cwb-curitiba-afonso-pena-airport/1ef266df-9442-6e5a-a41e-06bb2780ed98)
- [Seosan Air Base (HMY)](https://www.flightduration.online/airport/hmy-seosan-seosan-air-base/1ef266df-8e37-6862-80fa-06bb2780ed98)
- [Flight duration calculator](/#calculator)