# Distance from Sofia (SOF) to Pine Ridge (XPR)

> 9,065 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,065 km / 5,632 mi / 4,895 nm
- **Estimated flight time**: 12h
- **Heading**: 323° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 05:15 in Sofia, it's 20:15 in Pine Ridge)
- **Elevation difference**: 1,591 ft (XPR is higher 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

### [Pine Ridge Airport (XPR)](https://www.flightduration.online/airport/xpr-pine-ridge-pine-ridge-airport/1ef266df-2304-618a-9b1e-06bb2780ed98)

- City: Pine Ridge, United States
- ICAO: KIEN
- Timezone: America/Denver
- Coordinates: 43.020000, -102.510000
- Elevation: 3,333 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 05:15 in Sofia, it's 20:15 in Pine Ridge.
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)
- [Pine Ridge Airport (XPR)](https://www.flightduration.online/airport/xpr-pine-ridge-pine-ridge-airport/1ef266df-2304-618a-9b1e-06bb2780ed98)
- [Flight duration calculator](/#calculator)