The calculated distance (air line) between Zgornje Jezersko and Trbovlje is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Trbovlje is certainly longer, as only the direct route (as the crow flies) between Zgornje Jezersko and Trbovlje has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles