The calculated distance (air line) between Quisqueya and Bajos de Haina is approximately 42 miles respectively 68 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 Quisqueya and Bajos de Haina has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles