The calculated distance (air line) between Altos de San Francisco and San Juan Bautista is approximately 75 miles respectively 121 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 Altos de San Francisco and San Juan Bautista has been calculated here.
Air line (approximately)
121 kilometers
65 nautical miles