The calculated distance (air line) between Gaspar Hernández and Boca Chica is approximately 93 miles respectively 149 kilometers.
By car or train, the actual journey to Boca Chica is certainly longer, as only the direct route (as the crow flies) between Gaspar Hernández and Boca Chica has been calculated here.
Air line (approximately)
149 kilometers
80 nautical miles