The calculated distance (air line) between Mariano Roque Alonso and Villarrica is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Villarrica is certainly longer, as only the direct route (as the crow flies) between Mariano Roque Alonso and Villarrica has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles