The calculated distance (air line) between San Pedro del Paraná and San Juan Bautista is approximately 59 miles respectively 95 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 San Pedro del Paraná and San Juan Bautista has been calculated here.
Air line (approximately)
95 kilometers
51 nautical miles