The calculated distance (air line) between Miercurea Nirajului and Ploieşti is approximately 124 miles respectively 200 kilometers.
By car or train, the actual journey to Ploieşti is certainly longer, as only the direct route (as the crow flies) between Miercurea Nirajului and Ploieşti has been calculated here.
Air line (approximately)
200 kilometers
108 nautical miles