The calculated distance (air line) between Kaštel Sućurac and Zaprešić is approximately 162 miles respectively 261 kilometers.
By car or train, the actual journey to Zaprešić is certainly longer, as only the direct route (as the crow flies) between Kaštel Sućurac and Zaprešić has been calculated here.
Air line (approximately)
261 kilometers
141 nautical miles