The calculated distance (air line) between Târgu Ocna and Râmnicu Vâlcea is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to Râmnicu Vâlcea is certainly longer, as only the direct route (as the crow flies) between Târgu Ocna and Râmnicu Vâlcea has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles