The calculated distance (air line) between Lovrenc na Pohorju and Brežice is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Brežice is certainly longer, as only the direct route (as the crow flies) between Lovrenc na Pohorju and Brežice has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles