# Distance from Cahokia/St Louis (CPS) to Sofia (SOF)

> 8,770 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,770 km / 5,449 mi / 4,735 nm
- **Estimated flight time**: 11h
- **Heading**: 43° (northeast)
- **Return heading**: 313° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 10:24 in Cahokia/St Louis, it's 18:24 in Sofia)
- **Elevation difference**: 1,329 ft (SOF is higher than CPS)

## Airports

### [St Louis Downtown Airport (CPS)](https://www.flightduration.online/airport/cps-cahokiast-louis-st-louis-downtown-airport/1ef266df-14d9-6b50-a477-06bb2780ed98)

- City: Cahokia/St Louis, United States
- ICAO: KCPS
- Timezone: America/Chicago
- Coordinates: 38.570000, -90.160000
- Elevation: 413 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 10:24 in Cahokia/St Louis, it's 18:24 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [St Louis Downtown Airport (CPS)](https://www.flightduration.online/airport/cps-cahokiast-louis-st-louis-downtown-airport/1ef266df-14d9-6b50-a477-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)