The calculated distance (air line) between Šentilj v Slov. Goricah and Vrhnika is approximately 81 miles respectively 131 kilometers.
By car or train, the actual journey to Vrhnika is certainly longer, as only the direct route (as the crow flies) between Šentilj v Slov. Goricah and Vrhnika has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles