# Distance from Sofia (SOF) to Upala (UPL)

> 10,646 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,646 km / 6,615 mi / 5,748 nm
- **Estimated flight time**: 14h
- **Heading**: 291° (west northwest)
- **Return heading**: 44° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Costa Rica
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 06:44 in Sofia, it's 21:44 in Upala)
- **Elevation difference**: 1,558 ft (UPL is lower than SOF)

## Airports

### [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

### [Upala Airport (UPL)](https://www.flightduration.online/airport/upl-upala-upala-airport/1ef266df-66e8-6630-be34-06bb2780ed98)

- City: Upala, Costa Rica
- ICAO: MRUP
- Timezone: America/Costa_Rica
- Coordinates: 10.890000, -85.020000
- Elevation: 184 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 06:44 in Sofia, it's 21:44 in Upala.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Upala Airport (UPL)](https://www.flightduration.online/airport/upl-upala-upala-airport/1ef266df-66e8-6630-be34-06bb2780ed98)
- [Flight duration calculator](/#calculator)