The calculated distance (air line) between Villarrica and Mariano Roque Alonso is approximately 78 miles respectively 125 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 Villarrica and Mariano Roque Alonso has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles