The calculated distance (air line) between San Pedro de Macorís and Bajos de Haina is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Bajos de Haina is certainly longer, as only the direct route (as the crow flies) between San Pedro de Macorís and Bajos de Haina has been calculated here.
Air line (approximately)
77 kilometers
41 nautical miles