The calculated distance (air line) between Ledeč nad Sázavou and Jihlava is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Jihlava is certainly longer, as only the direct route (as the crow flies) between Ledeč nad Sázavou and Jihlava has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles