The calculated distance (air line) between Ledeč nad Sázavou and Pardubice is approximately 33 miles respectively 52 kilometers.
By car or train, the actual journey to Pardubice is certainly longer, as only the direct route (as the crow flies) between Ledeč nad Sázavou and Pardubice has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles