The calculated distance (air line) between Tržačka Raštela and Banja Luka is approximately 70 miles respectively 113 kilometers.
By car or train, the actual journey to Banja Luka is certainly longer, as only the direct route (as the crow flies) between Tržačka Raštela and Banja Luka has been calculated here.
Air line (approximately)
113 kilometers
61 nautical miles