Distance From Kumamoto Airport to Sofia Airport, KMJ - SOF Distance

The distance from Kumamoto Airport (KMJ) to Sofia Airport (SOF) is 5492 miles or 8838 kilometers or 4769 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 Kumamoto ( Japan ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Kumamoto and Sofia takes around 12 hours 37 minutes.

Estimated flight time from Kumamoto Airport, Kumamoto, Japan to Sofia Airport, Sofia, Bulgaria is 12 hours 37 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 • KMJ - SOF

Kilometers		8838 km
Statute Miles		5492 miles
Nautical Miles		4769 nm
Avg. Time of Flight		12 hours 37 minutes

Kumamoto Airport to Sofia Airport Flight Route Map - KMJ to SOF Flight Path

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

Click to see flight route on Google Map between Kumamoto, Japan and Sofia, Bulgaria. .

Nonstop flight route between Kumamoto, Japan and Sofia, Bulgaria.

Time Difference Between the Airports • KMJ - SOF

Time difference between Kumamoto (Japan) and Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours behind Kumamoto.

Location	Local Time
Kumamoto (Japan)	2025-12-17, 01:33:24 JST
Sofia (Bulgaria)	2025-12-16, 18:33:24 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

Kumamoto Airport (KMJ / RJFT) Kumamoto, Japan

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria