The calculated distance (air line) between Kostelec nad Orlicí and Třebíč is approximately 64 miles respectively 104 kilometers.
By car or train, the actual journey to Třebíč is certainly longer, as only the direct route (as the crow flies) between Kostelec nad Orlicí and Třebíč has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles