Distance From Digital (Box 2) Heliport to Sofia Airport

The distance from Digital (Box 2) Heliport () to Sofia Airport (SOF) is 4541 miles or 7307 kilometers or 3943 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 Boxborough ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Boxborough and Sofia takes around 10 hours 26 minutes.

Estimated flight time from Digital (Box 2) Heliport, Boxborough, United States to Sofia Airport, Sofia, Bulgaria is 10 hours 26 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		7307 km
Statute Miles		4541 miles
Nautical Miles		3943 nm
Avg. Time of Flight		10 hours 26 minutes

Digital (Box 2) Heliport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Digital (Box 2) Heliport & Sofia Airport is given below.
Click the map to view Boxborough to Sofia nonstop flight path and travel direction.

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

Nonstop flight route between Boxborough, United States and Sofia, Bulgaria.

Time Difference Between the Airports • - SOF

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

Location	Local Time
Boxborough (United States)	2025-12-15, 06:34:43 EST
Sofia (Bulgaria)	2025-12-15, 13:34:43 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

Digital (Box 2) Heliport ( / 7MA1) Boxborough, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria