The calculated distance (air line) between Kaštel Kambelovac and Karlovac is approximately 140 miles respectively 226 kilometers.
By car or train, the actual journey to Karlovac is certainly longer, as only the direct route (as the crow flies) between Kaštel Kambelovac and Karlovac has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles