The calculated distance (air line) between San Martino Buon Albergo and Brescia is approximately 43 miles respectively 70 kilometers.
By car or train, the actual journey to Brescia is certainly longer, as only the direct route (as the crow flies) between San Martino Buon Albergo and Brescia has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles