The calculated distance (air line) between Perieni and Piatra Neamţ is approximately 74 miles respectively 120 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Perieni and Piatra Neamţ has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles