The calculated distance (air line) between Hrádek nad Nisou and Třebíč is approximately 122 miles respectively 197 kilometers.
By car or train, the actual journey to Třebíč is certainly longer, as only the direct route (as the crow flies) between Hrádek nad Nisou and Třebíč has been calculated here.
Air line (approximately)
197 kilometers
106 nautical miles