The calculated distance (air line) between Adjud and Piatra Neamţ is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Adjud and Piatra Neamţ has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles