The calculated distance (air line) between Česká Třebová and Mladá Boleslav is approximately 77 miles respectively 123 kilometers.
By car or train, the actual journey to Mladá Boleslav is certainly longer, as only the direct route (as the crow flies) between Česká Třebová and Mladá Boleslav has been calculated here.
Air line (approximately)
123 kilometers
67 nautical miles