# Distance from Redding (RDD) to Sofia (SOF)

> 10,143 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,143 km / 6,303 mi / 5,477 nm
- **Estimated flight time**: 13h
- **Heading**: 24° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 16:09 in Redding, it's 02:09 in Sofia)
- **Elevation difference**: 1,237 ft (SOF is higher than RDD)

## Airports

### [Redding Regional Airport (RDD)](https://www.flightduration.online/airport/rdd-redding-redding-regional-airport/1ef266df-34cc-60a2-903c-06bb2780ed98)

- City: Redding, United States
- ICAO: KRDD
- Timezone: America/Los_Angeles
- Coordinates: 40.500000, -122.300000
- Elevation: 505 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 16:09 in Redding, it's 02:09 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Redding Regional Airport (RDD)](https://www.flightduration.online/airport/rdd-redding-redding-regional-airport/1ef266df-34cc-60a2-903c-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)