The calculated distance (air line) between Kostelec nad Orlicí and Pardubice is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Pardubice is certainly longer, as only the direct route (as the crow flies) between Kostelec nad Orlicí and Pardubice has been calculated here.
Air line (approximately)
32 kilometers
18 nautical miles