Distance From Duncan Regional Hospital Heliport to Sofia Airport

The distance from Duncan Regional Hospital Heliport () to Sofia Airport (SOF) is 5946 miles or 9568 kilometers or 5163 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 Duncan ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Duncan and Sofia takes around 13 hours 40 minutes.

Estimated flight time from Duncan Regional Hospital Heliport, Duncan, United States to Sofia Airport, Sofia, Bulgaria is 13 hours 40 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		9568 km
Statute Miles		5946 miles
Nautical Miles		5163 nm
Avg. Time of Flight		13 hours 40 minutes

Duncan Regional Hospital Heliport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Duncan Regional Hospital Heliport & Sofia Airport is given below.
Click the map to view Duncan to Sofia nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - SOF

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

Location	Local Time
Duncan (United States)	2026-09-23, 17:22:58 MDT
Sofia (Bulgaria)	2026-09-24, 02:22:58 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

Duncan Regional Hospital Heliport ( / 38OK) Duncan, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria