The calculated distance (air line) between Neratovice and Mladá Boleslav is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Neratovice and Mladá Boleslav has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles