# Distance from Bucharest (OTP) to Ulsan (USN)

> 8,228 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,228 km / 5,113 mi / 4,443 nm
- **Estimated flight time**: 11h
- **Heading**: 55° (northeast)
- **Return heading**: 314° (northwest)
- **Classification**: Long-haul
- **Type**: International (Romania) → South Korea
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 17:05 in Bucharest, it's 23:05 in Ulsan)
- **Elevation difference**: 269 ft (USN is lower than OTP)

## Airports

### [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)

- City: Bucharest, Romania
- ICAO: LROP
- Timezone: Europe/Bucharest
- Coordinates: 44.570000, 26.100000
- Elevation: 314 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 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 17:05 in Bucharest, it's 23:05 in Ulsan.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Ulsan Airport (USN)](https://www.flightduration.online/airport/usn-ulsan-ulsan-airport/1ef266df-8de2-6506-b034-06bb2780ed98)
- [Flight duration calculator](/#calculator)