The calculated distance (air line) between San José de los Arroyos and Mariano Roque Alonso is approximately 55 miles respectively 88 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 José de los Arroyos and Mariano Roque Alonso has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles