The calculated distance (air line) between Gromiljak and Velika Kladuša is approximately 139 miles respectively 224 kilometers.
By car or train, the actual journey to Velika Kladuša is certainly longer, as only the direct route (as the crow flies) between Gromiljak and Velika Kladuša has been calculated here.
Air line (approximately)
224 kilometers
121 nautical miles