The calculated distance (air line) between Sv. Trojica v Slov. Goricah and Jesenice is approximately 87 miles respectively 139 kilometers.
By car or train, the actual journey to Jesenice is certainly longer, as only the direct route (as the crow flies) between Sv. Trojica v Slov. Goricah and Jesenice has been calculated here.
Air line (approximately)
139 kilometers
75 nautical miles