# Distance from Harrison (HRO) to Sofia (SOF)

> 9,138 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,138 km / 5,678 mi / 4,934 nm
- **Estimated flight time**: 12h
- **Heading**: 42° (northeast)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 11:13 in Harrison, it's 19:13 in Sofia)
- **Elevation difference**: 378 ft (SOF is higher than HRO)

## Airports

### [Boone County Airport (HRO)](https://www.flightduration.online/airport/hro-harrison-boone-county-airport/1ef266df-2154-6402-8bfd-06bb2780ed98)

- City: Harrison, United States
- ICAO: KHRO
- Timezone: America/Chicago
- Coordinates: 36.260000, -93.150000
- Elevation: 1,365 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 11:13 in Harrison, it's 19:13 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Boone County Airport (HRO)](https://www.flightduration.online/airport/hro-harrison-boone-county-airport/1ef266df-2154-6402-8bfd-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)