The calculated distance (air line) between Dvůr Králové nad Labem and Karlovy Vary is approximately 131 miles respectively 210 kilometers.
By car or train, the actual journey to Karlovy Vary is certainly longer, as only the direct route (as the crow flies) between Dvůr Králové nad Labem and Karlovy Vary has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles