The calculated distance (air line) between Lovrenc na Pohorju and Maribor is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Maribor is certainly longer, as only the direct route (as the crow flies) between Lovrenc na Pohorju and Maribor has been calculated here.
Air line (approximately)
19 kilometers
11 nautical miles