The distance from Fetske Seaplane Base () to Sofia Airport (SOF) is 4621 miles or 7437 kilometers or 4013 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.
7437 kilometers is the direct flight distance between Fetske Seaplane Base (United States) and Sofia Airport (Bulgaria).
How long does it take to travel from Essex ( United States ) to Sofia ( Bulgaria )?
A one-way nonstop (direct) flight between Essex and Sofia takes around 10 hours 37 minutes.
Estimated
flight time from Fetske Seaplane Base, Essex, United States to Sofia Airport, Sofia, Bulgaria is
10 hours 37 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 | | 7437 km |
| Statute Miles | | 4621 miles |
| Nautical Miles | | 4013 nm |
| Avg. Time of Flight | | 10 hours 37 minutes |
Fetske Seaplane Base to Sofia Airport Flight Route Map - to SOF Flight Path
Location of Fetske Seaplane Base & Sofia Airport is given below.
Click the map to view Essex to Sofia nonstop flight path and travel direction.
Click to see flight route on Google Map between Essex, United States and Sofia, Bulgaria. .
Nonstop flight route between Essex, United States and Sofia, Bulgaria.
Time Difference Between the Airports • - SOF
Time difference between
Essex (United States) and
Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours ahead of Essex.
| Location | Local Time |
| Essex (United States) | 2025-12-15, 01:58:54 EST |
| Sofia (Bulgaria) | 2025-12-15, 08:58:54 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.