# Distance from Bucharest (OTP) to Ulaanbaatar (UBN)

> 5,939 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,939 km / 3,691 mi / 3,207 nm
- **Estimated flight time**: 8h
- **Heading**: 56° (northeast)
- **Return heading**: 299° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Romania) → Mongolia
- **Intercontinental**: Europe → Asia
- **Time difference**: +5h (When it's 06:16 in Bucharest, it's 11:16 in Ulaanbaatar)
- **Elevation difference**: 4,171 ft (UBN is higher 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

### [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)

- City: Ulaanbaatar, Mongolia
- ICAO: ZMCK
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.650000, 106.820000
- Elevation: 4,485 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 06:16 in Bucharest, it's 11:16 in Ulaanbaatar.
The 5-hour time difference may cause some jet lag.

## Related

- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)
- [Flight duration calculator](/#calculator)