The calculated distance (air line) between Coşereni and Piatra Neamţ is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Coşereni and Piatra Neamţ has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles