The calculated distance (air line) between Boca Chica and Punta Cana is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Punta Cana is certainly longer, as only the direct route (as the crow flies) between Boca Chica and Punta Cana has been calculated here.
Air line (approximately)
127 kilometers
68 nautical miles