The calculated distance (air line) between Lukovica pri Domžalah and Trbovlje is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Trbovlje is certainly longer, as only the direct route (as the crow flies) between Lukovica pri Domžalah and Trbovlje has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles