The calculated distance (air line) between Ilirska Bistrica and Velike Lašče is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Velike Lašče is certainly longer, as only the direct route (as the crow flies) between Ilirska Bistrica and Velike Lašče has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles