The distance from Cooper Airport () to Sofia Airport (SOF) is 5260 miles or 8465 kilometers or 4568 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
8465 kilometers is the direct flight distance between Cooper Airport (United States) and Sofia Airport (Bulgaria).
How long does it take to travel from Belleville ( United States ) to Sofia ( Bulgaria )?
A one-way nonstop (direct) flight between Belleville and Sofia takes around 12 hours 5 minutes.
Estimated
flight time from Cooper Airport, Belleville, United States to Sofia Airport, Sofia, Bulgaria is
12 hours 5 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - SOF
| Kilometers | | 8465 km |
| Statute Miles | | 5260 miles |
| Nautical Miles | | 4568 nm |
| Avg. Time of Flight | | 12 hours 5 minutes |
Cooper Airport to Sofia Airport Flight Route Map - to SOF Flight Path
Location of Cooper Airport & Sofia Airport is given below.
Click the map to view Belleville to Sofia nonstop flight path and travel direction.
Click to see flight route on Google Map between Belleville, United States and Sofia, Bulgaria. .
Nonstop flight route between Belleville, United States and Sofia, Bulgaria.
Time Difference Between the Airports • - SOF
Time difference between
Belleville (United States) and
Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours ahead of Belleville.
| Location | Local Time |
| Belleville (United States) | 2026-06-19, 00:12:55 EDT |
| Sofia (Bulgaria) | 2026-06-19, 07:12:55 EEST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.