The calculated distance (air line) between Petrinja and Mala Kladuša is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Mala Kladuša is certainly longer, as only the direct route (as the crow flies) between Petrinja and Mala Kladuša has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles