The calculated distance (air line) between Lieşti and Piatra Neamţ is approximately 106 miles respectively 171 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Lieşti and Piatra Neamţ has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles