The calculated distance (air line) between Grumăzeşti and Piatra Neamţ is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Grumăzeşti and Piatra Neamţ has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles