The calculated distance (air line) between Olomouc and Mladá Boleslav is approximately 119 miles respectively 191 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Olomouc and Mladá Boleslav has been calculated here.
Air line (approximately)
191 kilometers
103 nautical miles