The calculated distance (air line) between Blaj and Piatra Neamţ is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Blaj and Piatra Neamţ has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles