The calculated distance (air line) between Spodnji Duplek and Slovenska Bistrica is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Slovenska Bistrica is certainly longer, as only the direct route (as the crow flies) between Spodnji Duplek and Slovenska Bistrica has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles