The calculated distance (air line) between Laguna Salada and Boca Chica is approximately 128 miles respectively 205 kilometers.
By car or train, the actual journey to Boca Chica is certainly longer, as only the direct route (as the crow flies) between Laguna Salada and Boca Chica has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles