The calculated distance (air line) between Kotor Varoš and Mrkonjić Grad is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Mrkonjić Grad is certainly longer, as only the direct route (as the crow flies) between Kotor Varoš and Mrkonjić Grad has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles