The calculated distance (air line) between Knin and Bosansko Grahovo is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Bosansko Grahovo is certainly longer, as only the direct route (as the crow flies) between Knin and Bosansko Grahovo has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles