Distance From Haiphong Kien An Airport to Sofia Airport

The distance from Haiphong Kien An Airport () to Sofia Airport (SOF) is 4920 miles or 7917 kilometers or 4272 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 Haiphong (Kien An) ( Vietnam ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Haiphong (Kien An) and Sofia takes around 11 hours 18 minutes.

Estimated flight time from Haiphong Kien An Airport, Haiphong (Kien An), Vietnam to Sofia Airport, Sofia, Bulgaria is 11 hours 18 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		7917 km
Statute Miles		4920 miles
Nautical Miles		4272 nm
Avg. Time of Flight		11 hours 18 minutes

Haiphong Kien An Airport to Sofia Airport Flight Route Map - to SOF Flight Path

Location of Haiphong Kien An Airport & Sofia Airport is given below.
Click the map to view Haiphong (Kien An) to Sofia nonstop flight path and travel direction.

Click to see flight route on Google Map between Haiphong (Kien An), Vietnam and Sofia, Bulgaria. .

Nonstop flight route between Haiphong (Kien An), Vietnam and Sofia, Bulgaria.

Time Difference Between the Airports • - SOF

Time difference between Haiphong (Kien An) (Vietnam) and Sofia (Bulgaria) is 4 Hours.
Sofia time is 4 Hours behind Haiphong (Kien An).

Location	Local Time
Haiphong (Kien An) (Vietnam)	2026-08-04, 11:00:37 +07
Sofia (Bulgaria)	2026-08-04, 07:00:37 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

Haiphong Kien An Airport ( / ) Haiphong (Kien An), Vietnam

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria