The calculated distance (air line) between San José de Las Matas and Boca Chica is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Boca Chica is certainly longer, as only the direct route (as the crow flies) between San José de Las Matas and Boca Chica has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles