Distance From Spring Brook Airport to Sofia Airport

The distance from Spring Brook Airport () to Sofia Airport (SOF) is 4692 miles or 7550 kilometers or 4074 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.

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How long does it take to travel from Central Square ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Central Square and Sofia takes around 10 hours 47 minutes.

Estimated flight time from Spring Brook Airport, Central Square, United States to Sofia Airport, Sofia, Bulgaria is 10 hours 47 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		7550 km
Statute Miles		4692 miles
Nautical Miles		4074 nm
Avg. Time of Flight		10 hours 47 minutes

Spring Brook Airport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Spring Brook Airport & Sofia Airport is given below.
Click the map to view Central Square to Sofia nonstop flight path and travel direction.

Click to see flight route on Google Map between Central Square, United States and Sofia, Bulgaria. .

Nonstop flight route between Central Square, United States and Sofia, Bulgaria.

Time Difference Between the Airports • - SOF

Time difference between Central Square (United States) and Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours ahead of Central Square.

Location	Local Time
Central Square (United States)	2025-12-17, 02:44:28 EST
Sofia (Bulgaria)	2025-12-17, 09:44:28 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.

Origin

Spring Brook Airport ( / 0NK1) Central Square, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria