The calculated distance (air line) between Litoměřice and Mladá Boleslav is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Litoměřice and Mladá Boleslav has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles