The calculated distance (air line) between Klášterec nad Ohří and Karlovy Vary is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Karlovy Vary is certainly longer, as only the direct route (as the crow flies) between Klášterec nad Ohří and Karlovy Vary has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles