The calculated distance (air line) between Ledeč nad Sázavou and Znojmo is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Znojmo is certainly longer, as only the direct route (as the crow flies) between Ledeč nad Sázavou and Znojmo has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles