Distance From Watkins Private Airport to Sofia Airport

The distance from Watkins Private Airport () to Sofia Airport (SOF) is 5456 miles or 8780 kilometers or 4738 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 Humeston ( United States ) to Sofia ( Bulgaria )?

A one-way nonstop (direct) flight between Humeston and Sofia takes around 12 hours 32 minutes.

Estimated flight time from Watkins Private Airport, Humeston, United States to Sofia Airport, Sofia, Bulgaria is 12 hours 32 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		8780 km
Statute Miles		5456 miles
Nautical Miles		4738 nm
Avg. Time of Flight		12 hours 32 minutes

Watkins Private Airport to Sofia Airport Flight Route Map - to SOF Flight Path

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

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

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

Time Difference Between the Airports • - SOF

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

Location	Local Time
Humeston (United States)	2026-03-19, 22:59:14 CDT
Sofia (Bulgaria)	2026-03-20, 05:59:14 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

Watkins Private Airport ( / 5IA3) Humeston, United States

Destination

Sofia Airport (SOF / LBSF) Sofia, Bulgaria