The calculated distance (air line) between Ruginoasa and Piatra Neamţ is approximately 33 miles respectively 54 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Ruginoasa and Piatra Neamţ has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles