Distance From Wilmington International Airport to Sofia Airport, ILM - SOF Distance

The distance from Wilmington International Airport (ILM) to Sofia Airport (SOF) is 5166 miles or 8314 kilometers or 4487 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 Wilmington ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Wilmington and Sofia takes around 11 hours 52 minutes.

Estimated flight time from Wilmington International Airport, Wilmington, United States to Sofia Airport, Sofia, Bulgaria is 11 hours 52 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 • ILM - SOF

Kilometers		8314 km
Statute Miles		5166 miles
Nautical Miles		4487 nm
Avg. Time of Flight		11 hours 52 minutes

Wilmington International Airport to Sofia Airport Flight Route Map - ILM to SOF Flight Path

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

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

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

Time Difference Between the Airports • ILM - SOF

Time difference between Wilmington (United States) and Sofia (Bulgaria) is 6 Hours.
Sofia time is 6 Hours ahead of Wilmington.

Location	Local Time
Wilmington (United States)	2026-03-20, 04:34:18 EDT
Sofia (Bulgaria)	2026-03-20, 10:34:18 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

Wilmington International Airport (ILM / KILM) Wilmington, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria