The calculated distance (air line) between Litvínov and Mladá Boleslav is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Litvínov and Mladá Boleslav has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles