# Distance from O'Neill (ONL) to Sofia (SOF)

> 8,920 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,920 km / 5,543 mi / 4,817 nm
- **Estimated flight time**: 11h
- **Heading**: 39° (northeast)
- **Return heading**: 321° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 19:00 in O'Neill, it's 03:00 in Sofia)
- **Elevation difference**: 292 ft (SOF is lower than ONL)

## Airports

### [The O'Neill Municipal-John L Baker Field (ONL)](https://www.flightduration.online/airport/onl-oneill-the-oneill-municipal-john-l-baker-field/1ef266df-30c9-6518-ab5e-06bb2780ed98)

- City: O'Neill, United States
- ICAO: KONL
- Timezone: America/Chicago
- Coordinates: 42.470000, -98.690000
- Elevation: 2,034 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 19:00 in O'Neill, it's 03:00 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [The O'Neill Municipal-John L Baker Field (ONL)](https://www.flightduration.online/airport/onl-oneill-the-oneill-municipal-john-l-baker-field/1ef266df-30c9-6518-ab5e-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)