# Distance from Bucharest (OTP) to Ulan Bator (ULN)

> 5,926 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,926 km / 3,682 mi / 3,200 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 13:11 in Bucharest, it's 18:11 in Ulan Bator)
- **Elevation difference**: 4,050 ft (ULN 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

### [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)

- City: Ulan Bator, Mongolia
- ICAO: ZMUB
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.840000, 106.770000
- Elevation: 4,364 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 13:11 in Bucharest, it's 18:11 in Ulan Bator.
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)
- [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)
- [Flight duration calculator](/#calculator)