The distance from Wilson Memorial Regional Medical Center Heliport () to Sofia Airport (SOF) is 4735 miles or 7620 kilometers or 4112 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.
7620 kilometers is the direct flight distance between Wilson Memorial Regional Medical Center Heliport (United States) and Sofia Airport (Bulgaria).
How long does it take to travel from Johnson City ( United States ) to Sofia ( Bulgaria )?
A one-way nonstop (direct) flight between Johnson City and Sofia takes around 10 hours 53 minutes.
Estimated
flight time from Wilson Memorial Regional Medical Center Heliport, Johnson City, United States to Sofia Airport, Sofia, Bulgaria is
10 hours 53 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 | | 7620 km |
| Statute Miles | | 4735 miles |
| Nautical Miles | | 4112 nm |
| Avg. Time of Flight | | 10 hours 53 minutes |
Wilson Memorial Regional Medical Center Heliport to Sofia Airport Flight Route Map - to SOF Flight Path
Location of Wilson Memorial Regional Medical Center Heliport & Sofia Airport is given below.
Click the map to view Johnson City to Sofia nonstop flight path and travel direction.
Click to see flight route on Google Map between Johnson City, United States and Sofia, Bulgaria. .
Nonstop flight route between Johnson City, United States and Sofia, Bulgaria.
Time Difference Between the Airports • - SOF
Time difference between
Johnson City (United States) and
Sofia (Bulgaria) is 6 Hours.
Sofia time is 6 Hours ahead of Johnson City.
| Location | Local Time |
| Johnson City (United States) | 2026-03-21, 22:33:58 EDT |
| Sofia (Bulgaria) | 2026-03-22, 04:33:58 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.