The calculated distance (air line) between Nemby and Mariano Roque Alonso is approximately 13 miles respectively 21 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 Nemby and Mariano Roque Alonso has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles