The calculated distance (air line) between Gornji Vakuf and Mrkonjić Grad is approximately 42 miles respectively 67 kilometers.
By car or train, the actual journey to Mrkonjić Grad is certainly longer, as only the direct route (as the crow flies) between Gornji Vakuf and Mrkonjić Grad has been calculated here.
Air line (approximately)
67 kilometers
36 nautical miles