The calculated distance (air line) between Boca Chica and San Francisco de Macorís is approximately 73 miles respectively 117 kilometers.
By car or train, the actual journey to San Francisco de Macorís is certainly longer, as only the direct route (as the crow flies) between Boca Chica and San Francisco de Macorís has been calculated here.
Air line (approximately)
117 kilometers
63 nautical miles