The calculated distance (air line) between České Budějovice and Mladá Boleslav is approximately 101 miles respectively 163 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between České Budějovice and Mladá Boleslav has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles