The calculated distance (air line) between Boca Chica and Bajos de Haina is approximately 29 miles respectively 46 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 Boca Chica and Bajos de Haina has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles