Distance From Owl Ridge Heliport to Sofia Airport

The distance from Owl Ridge Heliport () to Sofia Airport (SOF) is 5888 miles or 9476 kilometers or 5113 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 Walden ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Walden and Sofia takes around 13 hours 32 minutes.

Estimated flight time from Owl Ridge Heliport, Walden, United States to Sofia Airport, Sofia, Bulgaria is 13 hours 32 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		9476 km
Statute Miles		5888 miles
Nautical Miles		5113 nm
Avg. Time of Flight		13 hours 32 minutes

Owl Ridge Heliport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Owl Ridge Heliport & Sofia Airport is given below.
Click the map to view Walden to Sofia nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - SOF

Time difference between Walden (United States) and Sofia (Bulgaria) is 9 Hours.
Sofia time is 9 Hours ahead of Walden.

Location	Local Time
Walden (United States)	2026-06-23, 03:51:06 MDT
Sofia (Bulgaria)	2026-06-23, 12:51:06 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.

Origin

Owl Ridge Heliport ( / CD81) Walden, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria