Distance From Smither Field to Sofia Airport

The distance from Smither Field () to Sofia Airport (SOF) is 5978 miles or 9621 kilometers or 5192 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 Denton ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Denton and Sofia takes around 13 hours 44 minutes.

Estimated flight time from Smither Field, Denton, United States to Sofia Airport, Sofia, Bulgaria is 13 hours 44 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		9621 km
Statute Miles		5978 miles
Nautical Miles		5192 nm
Avg. Time of Flight		13 hours 44 minutes

Smither Field to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Smither Field & Sofia Airport is given below.
Click the map to view Denton to Sofia nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - SOF

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

Location	Local Time
Denton (United States)	2026-04-30, 23:28:25 MDT
Sofia (Bulgaria)	2026-05-01, 08:28:25 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

Smither Field ( / TE81) Denton, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria