# Distance from Altamira (ATM) to Bucharest (OTP)

> 9,345 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,345 km / 5,807 mi / 5,046 nm
- **Estimated flight time**: 12h
- **Heading**: 45° (northeast)
- **Return heading**: 259° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Romania
- **Intercontinental**: South America → Europe
- **Time difference**: +6h (When it's 16:28 in Altamira, it's 22:28 in Bucharest)
- **Elevation difference**: 55 ft (OTP is lower than ATM)

## Airports

### [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)

- City: Altamira, Brazil
- ICAO: SBHT
- Timezone: America/Santarem
- Coordinates: -3.250000, -52.250000
- Elevation: 369 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 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 16:28 in Altamira, it's 22:28 in Bucharest.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)
- [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)