The calculated distance (air line) between Jablonec nad Nisou and Karlovy Vary is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Karlovy Vary is certainly longer, as only the direct route (as the crow flies) between Jablonec nad Nisou and Karlovy Vary has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles