The calculated distance (air line) between Tešanjka and Mrkonjić Grad is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Mrkonjić Grad is certainly longer, as only the direct route (as the crow flies) between Tešanjka and Mrkonjić Grad has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles