# Distance from Attopeu (AOU) to Belo Horizonte (CNF)

> 16,871 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,871 km / 10,483 mi / 9,110 nm
- **Estimated flight time**: 21h
- **Heading**: 256° (west southwest)
- **Return heading**: 95° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Laos) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -10h (When it's 09:38 in Attopeu, it's 23:38 in Belo Horizonte)
- **Elevation difference**: 2,371 ft (CNF is higher than AOU)

## Airports

### [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)

- City: Attopeu, Laos
- ICAO: VLAP
- Timezone: Asia/Vientiane
- Coordinates: 14.810000, 106.820000
- Elevation: 344 ft

### [Tancredo Neves International Airport (CNF)](https://www.flightduration.online/airport/cnf-belo-horizonte-tancredo-neves-international-airport/1ef266df-9418-6cea-af48-06bb2780ed98)

- City: Belo Horizonte, Brazil
- ICAO: SBCF
- Timezone: America/Sao_Paulo
- Coordinates: -19.620000, -43.970000
- Elevation: 2,715 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 09:38 in Attopeu, it's 23:38 in Belo Horizonte.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)
- [Tancredo Neves International Airport (CNF)](https://www.flightduration.online/airport/cnf-belo-horizonte-tancredo-neves-international-airport/1ef266df-9418-6cea-af48-06bb2780ed98)
- [Flight duration calculator](/#calculator)