The calculated distance (air line) between Piedra Blanca and San Juan de la Maguana is approximately 60 miles respectively 96 kilometers.
By car or train, the actual journey to San Juan de la Maguana is certainly longer, as only the direct route (as the crow flies) between Piedra Blanca and San Juan de la Maguana has been calculated here.
Air line (approximately)
96 kilometers
52 nautical miles