# Distance from Hanoi (HAN) to Ulan Bator (ULN)

> 2,961 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,961 km / 1,840 mi / 1,599 nm
- **Estimated flight time**: 4h
- **Heading**: 1° (north)
- **Return heading**: 182° (south)
- **Classification**: Medium-haul
- **Type**: International (Vietnam) → Mongolia
- **Time difference**: +1h (When it's 07:06 in Hanoi, it's 08:06 in Ulan Bator)
- **Elevation difference**: 4,325 ft (ULN is higher than HAN)

## Airports

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 07:06 in Hanoi, it's 08:06 in Ulan Bator.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [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)