The calculated distance (air line) between Dresden and Ledeč nad Sázavou is approximately 116 miles respectively 186 kilometers.
By car or train, the actual journey to Ledeč nad Sázavou is certainly longer, as only the direct route (as the crow flies) between Dresden and Ledeč nad Sázavou has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles