The calculated distance (air line) between San Gregorio de Nigua and San Francisco de Macorís is approximately 64 miles respectively 104 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 San Gregorio de Nigua and San Francisco de Macorís has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles