The calculated distance (air line) between Široki Brijeg and Bosanska Krupa is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Bosanska Krupa is certainly longer, as only the direct route (as the crow flies) between Široki Brijeg and Bosanska Krupa has been calculated here.
Air line (approximately)
203 kilometers
109 nautical miles