The calculated distance (air line) between Rečica ob Savinji and Maribor is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Maribor is certainly longer, as only the direct route (as the crow flies) between Rečica ob Savinji and Maribor has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles