Distance From Okchuk-tong Heliport to Sofia Airport

The distance from Okchuk-tong Heliport () to Sofia Airport (SOF) is 5003 miles or 8051 kilometers or 4344 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 Okchuk-tong, Daecheongdo ( South Korea ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Okchuk-tong, Daecheongdo and Sofia takes around 11 hours 30 minutes.

Estimated flight time from Okchuk-tong Heliport, Okchuk-tong, Daecheongdo, South Korea to Sofia Airport, Sofia, Bulgaria is 11 hours 30 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		8051 km
Statute Miles		5003 miles
Nautical Miles		4344 nm
Avg. Time of Flight		11 hours 30 minutes

Okchuk-tong Heliport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Okchuk-tong Heliport & Sofia Airport is given below.
Click the map to view Okchuk-tong, Daecheongdo to Sofia nonstop flight path and travel direction.

Click to see flight route on Google Map between Okchuk-tong, Daecheongdo, South Korea and Sofia, Bulgaria. .

Nonstop flight route between Okchuk-tong, Daecheongdo, South Korea and Sofia, Bulgaria.

Time Difference Between the Airports • - SOF

Time difference between Okchuk-tong, Daecheongdo (South Korea) and Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours behind Okchuk-tong, Daecheongdo.

Location	Local Time
Okchuk-tong, Daecheongdo (South Korea)	2026-10-28, 00:24:05 KST
Sofia (Bulgaria)	2026-10-27, 17:24:05 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

Okchuk-tong Heliport ( / ) Okchuk-tong, Daecheongdo, South Korea

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria