The calculated distance (air line) between Mariano Roque Alonso and San Juan Bautista is approximately 104 miles respectively 167 kilometers.
By car or train, the actual journey to San Juan Bautista is certainly longer, as only the direct route (as the crow flies) between Mariano Roque Alonso and San Juan Bautista has been calculated here.
Air line (approximately)
167 kilometers
90 nautical miles