The calculated distance (air line) between Sezimovo Ústí and Mladá Boleslav is approximately 72 miles respectively 115 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Sezimovo Ústí and Mladá Boleslav has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles