The calculated distance (air line) between Dancu and Piatra Neamţ is approximately 65 miles respectively 104 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Dancu and Piatra Neamţ has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles