The calculated distance (air line) between Zadar and Bosansko Grahovo is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Bosansko Grahovo is certainly longer, as only the direct route (as the crow flies) between Zadar and Bosansko Grahovo has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles