The calculated distance (air line) between Guarambaré and Mariano Roque Alonso is approximately 20 miles respectively 32 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 Guarambaré and Mariano Roque Alonso has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles