Distance between Harmanli and Prahovo is 374.47 km.
This distance is equal to 232.68 miles, and 202.06 nautical miles.
The distance line on map shows distance from Harmanli to Prahovo between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Harmanli to Prahovo,
It takes 0.42 hours to arrive.