The calculated distance (air line) between San Rafael del Yuma and Punta Cana is approximately 21 miles respectively 33 kilometers.
By car or train, the actual journey to Punta Cana is certainly longer, as only the direct route (as the crow flies) between San Rafael del Yuma and Punta Cana has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles