The calculated distance (air line) between Căianu Mic and Ploieşti is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Ploieşti is certainly longer, as only the direct route (as the crow flies) between Căianu Mic and Ploieşti has been calculated here.
Air line (approximately)
292 kilometers
157 nautical miles