# Distance from Chicago/Romeoville (LOT) to Sofia (SOF)

> 8,405 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,405 km / 5,223 mi / 4,538 nm
- **Estimated flight time**: 11h
- **Heading**: 45° (northeast)
- **Return heading**: 314° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 21:54 in Chicago/Romeoville, it's 05:54 in Sofia)
- **Elevation difference**: 1,063 ft (SOF is higher than LOT)

## Airports

### [Lewis University Airport (LOT)](https://www.flightduration.online/airport/lot-chicagoromeoville-lewis-university-airport/1ef266df-27f2-6ae8-ad74-06bb2780ed98)

- City: Chicago/Romeoville, United States
- ICAO: KLOT
- Timezone: America/Chicago
- Coordinates: 41.610000, -88.100000
- Elevation: 679 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 21:54 in Chicago/Romeoville, it's 05:54 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Lewis University Airport (LOT)](https://www.flightduration.online/airport/lot-chicagoromeoville-lewis-university-airport/1ef266df-27f2-6ae8-ad74-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)