# Distance from Huntsville (HTV) to Sofia (SOF)

> 9,749 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,749 km / 6,058 mi / 5,264 nm
- **Estimated flight time**: 12h
- **Heading**: 40° (northeast)
- **Return heading**: 311° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 12:11 in Huntsville, it's 20:11 in Sofia)
- **Elevation difference**: 1,379 ft (SOF is higher than HTV)

## Airports

### [Huntsville Municipal Airport (HTV)](https://www.flightduration.online/airport/htv-huntsville-huntsville-municipal-airport/1ef266df-3e37-6434-9956-06bb2780ed98)

- City: Huntsville, United States
- ICAO: KUTS
- Timezone: America/Chicago
- Coordinates: 30.750000, -95.590000
- Elevation: 363 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 12:11 in Huntsville, it's 20:11 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Huntsville Municipal Airport (HTV)](https://www.flightduration.online/airport/htv-huntsville-huntsville-municipal-airport/1ef266df-3e37-6434-9956-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)