The calculated distance (air line) between San Rafael del Yuma and Hato Mayor del Rey is approximately 45 miles respectively 72 kilometers.
By car or train, the actual journey to Hato Mayor del Rey is certainly longer, as only the direct route (as the crow flies) between San Rafael del Yuma and Hato Mayor del Rey has been calculated here.
Air line (approximately)
72 kilometers
39 nautical miles