The calculated distance (air line) between San Lorenzo and Mariano Roque Alonso is approximately 9 miles respectively 15 kilometers.
By car or train, the actual journey to Mariano Roque Alonso is certainly longer, as only the direct route (as the crow flies) between San Lorenzo and Mariano Roque Alonso has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles