The calculated distance (air line) between Ústí nad Orlicí and Pardubice is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Pardubice is certainly longer, as only the direct route (as the crow flies) between Ústí nad Orlicí and Pardubice has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles