The calculated distance (air line) between Ypacarai and Mariano Roque Alonso is approximately 21 miles respectively 33 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 Ypacarai and Mariano Roque Alonso has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles