# Distance from San Jose (SJO) to Ulsan (USN)

> 13,844 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,844 km / 8,602 mi / 7,475 nm
- **Estimated flight time**: 17h
- **Heading**: 327° (north northwest)
- **Return heading**: 41° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Costa Rica) → South Korea
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 13:39 in San Jose, it's 04:39 in Ulsan)
- **Elevation difference**: 2,976 ft (USN is lower than SJO)

## Airports

### [Juan Santamaria International Airport (SJO)](https://www.flightduration.online/airport/sjo-san-jose-juan-santamaria-international-airport/1ef266df-6643-69f0-a227-06bb2780ed98)

- City: San Jose, Costa Rica
- ICAO: MROC
- Timezone: America/Costa_Rica
- Coordinates: 9.990000, -84.210000
- Elevation: 3,021 ft

### [Ulsan Airport (USN)](https://www.flightduration.online/airport/usn-ulsan-ulsan-airport/1ef266df-8de2-6506-b034-06bb2780ed98)

- City: Ulsan, South Korea
- ICAO: RKPU
- Timezone: Asia/Seoul
- Coordinates: 35.590000, 129.350000
- Elevation: 45 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 13:39 in San Jose, it's 04:39 in Ulsan.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Juan Santamaria International Airport (SJO)](https://www.flightduration.online/airport/sjo-san-jose-juan-santamaria-international-airport/1ef266df-6643-69f0-a227-06bb2780ed98)
- [Ulsan Airport (USN)](https://www.flightduration.online/airport/usn-ulsan-ulsan-airport/1ef266df-8de2-6506-b034-06bb2780ed98)
- [Flight duration calculator](/#calculator)