The calculated distance (air line) between Cajvana and Piatra Neamţ is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Cajvana and Piatra Neamţ has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles