The calculated distance (air line) between Dresden and Žďár nad Sázavou is approximately 141 miles respectively 228 kilometers.
By car or train, the actual journey to Žďár nad Sázavou is certainly longer, as only the direct route (as the crow flies) between Dresden and Žďár nad Sázavou has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles