The calculated distance (air line) between Valeggio sul Mincio and Montichiari is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Montichiari is certainly longer, as only the direct route (as the crow flies) between Valeggio sul Mincio and Montichiari has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles