The calculated distance (air line) between Rychnov nad Kněžnou and Třebíč is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Třebíč is certainly longer, as only the direct route (as the crow flies) between Rychnov nad Kněžnou and Třebíč has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles