The calculated distance (air line) between Světlá nad Sázavou and Karlovy Vary is approximately 119 miles respectively 192 kilometers.
By car or train, the actual journey to Karlovy Vary is certainly longer, as only the direct route (as the crow flies) between Světlá nad Sázavou and Karlovy Vary has been calculated here.
Air line (approximately)
192 kilometers
103 nautical miles