The calculated distance (air line) between Piedra Blanca and San Pedro de Macorís is approximately 71 miles respectively 115 kilometers.
By car or train, the actual journey to San Pedro de Macorís is certainly longer, as only the direct route (as the crow flies) between Piedra Blanca and San Pedro de Macorís has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles