The calculated distance (air line) between Domažlice and Mladá Boleslav is approximately 110 miles respectively 178 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Domažlice and Mladá Boleslav has been calculated here.
Air line (approximately)
178 kilometers
96 nautical miles