The calculated distance (air line) between Ploieşti and Râmnicu Vâlcea is approximately 81 miles respectively 131 kilometers.
By car or train, the actual journey to Râmnicu Vâlcea is certainly longer, as only the direct route (as the crow flies) between Ploieşti and Râmnicu Vâlcea has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles