Distance From University of Oklahoma Westheimer Airport to Sofia Airport, OUN - SOF Distance

The distance from University of Oklahoma Westheimer Airport (OUN) to Sofia Airport (SOF) is 5889 miles or 9477 kilometers or 5114 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 Norman ( United States ) to Sofia ( Bulgaria )?

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

Estimated flight time from University of Oklahoma Westheimer Airport, Norman, 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 • OUN - SOF

Kilometers		9477 km
Statute Miles		5889 miles
Nautical Miles		5114 nm
Avg. Time of Flight		13 hours 32 minutes

University of Oklahoma Westheimer Airport to Sofia Airport Flight Route Map - OUN to SOF Flight Path

Location of University of Oklahoma Westheimer Airport & Sofia Airport is given below.
Click the map to view Norman to Sofia nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • OUN - SOF

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

Location	Local Time
Norman (United States)	2025-12-05, 21:59:04 MST
Sofia (Bulgaria)	2025-12-06, 06:59:04 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

University of Oklahoma Westheimer Airport (OUN / KOUN) Norman, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria