The calculated distance (air line) between Brăila and Piatra Neamţ is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Piatra Neamţ is certainly longer, as only the direct route (as the crow flies) between Brăila and Piatra Neamţ has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles