The calculated distance (air line) between Trogir and Bosansko Grahovo is approximately 46 miles respectively 75 kilometers.
By car or train, the actual journey to Bosansko Grahovo is certainly longer, as only the direct route (as the crow flies) between Trogir and Bosansko Grahovo has been calculated here.
Air line (approximately)
75 kilometers
40 nautical miles