The distance from Southampton Heliport () to Sofia Airport (SOF) is 4647 miles or 7479 kilometers or 4036 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.
7479 kilometers is the direct flight distance between Southampton Heliport (United States) and Sofia Airport (Bulgaria).
How long does it take to travel from Southampton ( United States ) to Sofia ( Bulgaria )?
A one-way nonstop (direct) flight between Southampton and Sofia takes around 10 hours 41 minutes.
Estimated
flight time from Southampton Heliport, Southampton, United States to Sofia Airport, Sofia, Bulgaria is
10 hours 41 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 | | 7479 km |
| Statute Miles | | 4647 miles |
| Nautical Miles | | 4036 nm |
| Avg. Time of Flight | | 10 hours 41 minutes |
Southampton Heliport to Sofia Airport Flight Route Map - to SOF Flight Path
Location of Southampton Heliport & Sofia Airport is given below.
Click the map to view Southampton to Sofia nonstop flight path and travel direction.
Click to see flight route on Google Map between Southampton, United States and Sofia, Bulgaria. .
Nonstop flight route between Southampton, United States and Sofia, Bulgaria.
Time Difference Between the Airports • - SOF
Time difference between
Southampton (United States) and
Sofia (Bulgaria) is 6 Hours.
Sofia time is 6 Hours ahead of Southampton.
| Location | Local Time |
| Southampton (United States) | 2026-03-22, 03:56:31 EDT |
| Sofia (Bulgaria) | 2026-03-22, 09:56:31 EET |
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.