The distance from Centerpoint Energy South Houston Heliport () to Sofia Airport (SOF) is 6102 miles or 9820 kilometers or 5299 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.
9820 kilometers is the direct flight distance between Centerpoint Energy South Houston Heliport (United States) and Sofia Airport (Bulgaria).
How long does it take to travel from South Houston ( United States ) to Sofia ( Bulgaria )?
A one-way nonstop (direct) flight between South Houston and Sofia takes around 14 hours 1 minutes.
Estimated
flight time from Centerpoint Energy South Houston Heliport, South Houston, United States to Sofia Airport, Sofia, Bulgaria is
14 hours 1 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 | | 9820 km |
| Statute Miles | | 6102 miles |
| Nautical Miles | | 5299 nm |
| Avg. Time of Flight | | 14 hours 1 minutes |
Centerpoint Energy South Houston Heliport to Sofia Airport Flight Route Map - to SOF Flight Path
Location of Centerpoint Energy South Houston Heliport & Sofia Airport is given below.
Click the map to view South Houston to Sofia nonstop flight path and travel direction.
Click to see flight route on Google Map between South Houston, United States and Sofia, Bulgaria. .
Nonstop flight route between South Houston, United States and Sofia, Bulgaria.
Time Difference Between the Airports • - SOF
Time difference between
South Houston (United States) and
Sofia (Bulgaria) is 8 Hours.
Sofia time is 8 Hours ahead of South Houston.
| Location | Local Time |
| South Houston (United States) | 2026-06-23, 03:33:10 CDT |
| Sofia (Bulgaria) | 2026-06-23, 11:33:10 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.