The calculated distance (air line) between Tobatí and Mariano Roque Alonso is approximately 28 miles respectively 46 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 Tobatí and Mariano Roque Alonso has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles