# Distance from Attopeu (AOU) to Bucharest (OTP)

> 8,130 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,130 km / 5,052 mi / 4,390 nm
- **Estimated flight time**: 11h
- **Heading**: 313° (northwest)
- **Return heading**: 86° (east)
- **Classification**: Long-haul
- **Type**: International (Laos) → Romania
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 09:06 in Attopeu, it's 05:06 in Bucharest)
- **Elevation difference**: 30 ft (OTP is lower 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

### [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

## 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 09:06 in Attopeu, it's 05:06 in Bucharest.
The 4-hour time difference may cause some jet lag.

## Related

- [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)
- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Flight duration calculator](/#calculator)