# Distance from Alenquer (ALT) to Sofia (SOF)

> 9,187 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,187 km / 5,709 mi / 4,961 nm
- **Estimated flight time**: 12h
- **Heading**: 46° (northeast)
- **Return heading**: 260° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Bulgaria
- **Intercontinental**: South America → Europe
- **Time difference**: +7h (When it's 09:25 in Alenquer, it's 16:25 in Sofia)
- **Elevation difference**: 1,641 ft (SOF is higher than ALT)

## Airports

### [Alenquer Airport (ALT)](https://www.flightduration.online/airport/alt-alenquer-alenquer-airport/1ef266df-a3e8-6c6a-af27-06bb2780ed98)

- City: Alenquer, Brazil
- ICAO: SDWQ
- Timezone: America/Manaus
- Coordinates: -1.920000, -54.720000
- Elevation: 101 ft

### [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)

- City: Sofia, Bulgaria
- ICAO: LBSF
- Timezone: Europe/Sofia
- Coordinates: 42.700000, 23.410000
- Elevation: 1,742 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 09:25 in Alenquer, it's 16:25 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Alenquer Airport (ALT)](https://www.flightduration.online/airport/alt-alenquer-alenquer-airport/1ef266df-a3e8-6c6a-af27-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)