Distance From River Kwai Airfield to Sofia Airport

The distance from River Kwai Airfield () to Sofia Airport (SOF) is 4854 miles or 7812 kilometers or 4216 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 Kanchanaburi ( Thailand ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Kanchanaburi and Sofia takes around 11 hours 9 minutes.

Estimated flight time from River Kwai Airfield, Kanchanaburi, Thailand to Sofia Airport, Sofia, Bulgaria is 11 hours 9 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		7812 km
Statute Miles		4854 miles
Nautical Miles		4216 nm
Avg. Time of Flight		11 hours 9 minutes

River Kwai Airfield to Sofia Airport Flight Route Map - to SOF Flight Path

Location of River Kwai Airfield & Sofia Airport is given below.
Click the map to view Kanchanaburi to Sofia nonstop flight path and travel direction.

Click to see flight route on Google Map between Kanchanaburi, Thailand and Sofia, Bulgaria. .

Nonstop flight route between Kanchanaburi, Thailand and Sofia, Bulgaria.

Time Difference Between the Airports • - SOF

Time difference between Kanchanaburi (Thailand) and Sofia (Bulgaria) is 4 Hours.
Sofia time is 4 Hours behind Kanchanaburi.

Location	Local Time
Kanchanaburi (Thailand)	2026-04-02, 12:10:06 +07
Sofia (Bulgaria)	2026-04-02, 08:10:06 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

River Kwai Airfield ( / ) Kanchanaburi, Thailand

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria