The calculated distance (air line) between Potlogi and Piatra Neamţ is approximately 167 miles respectively 270 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Potlogi and Piatra Neamţ has been calculated here.
Air line (approximately)
270 kilometers
145 nautical miles