The calculated distance (air line) between Stănileşti and Ploieşti is approximately 155 miles respectively 250 kilometers.
By car or train, the actual journey to Ploieşti is certainly longer, as only the direct route (as the crow flies) between Stănileşti and Ploieşti has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles