The calculated distance (air line) between Vulcan and Piatra Neamţ is approximately 181 miles respectively 291 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Vulcan and Piatra Neamţ has been calculated here.
Air line (approximately)
291 kilometers
157 nautical miles