Distance From Willow Run Airport to Sofia Airport, YIP - SOF Distance

The distance from Willow Run Airport (YIP) to Sofia Airport (SOF) is 5024 miles or 8085 kilometers or 4363 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.

---

How long does it take to travel from Detroit ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Detroit and Sofia takes around 11 hours 33 minutes.

Estimated flight time from Willow Run Airport, Detroit, United States to Sofia Airport, Sofia, Bulgaria is 11 hours 33 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 • YIP - SOF

Kilometers		8085 km
Statute Miles		5024 miles
Nautical Miles		4363 nm
Avg. Time of Flight		11 hours 33 minutes

Willow Run Airport to Sofia Airport Flight Route Map - YIP to SOF Flight Path

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

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

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

Time Difference Between the Airports • YIP - SOF

Time difference between Detroit (United States) and Sofia (Bulgaria) is 7 Hours.
Sofia time is 7 Hours ahead of Detroit.

Location	Local Time
Detroit (United States)	2026-06-18, 04:32:27 EDT
Sofia (Bulgaria)	2026-06-18, 11:32:27 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

Willow Run Airport (YIP / KYIP) Detroit, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria