The calculated distance (air line) between Jima Abajo and Boca Chica is approximately 69 miles respectively 112 kilometers.
By car or train, the actual journey to Boca Chica is certainly longer, as only the direct route (as the crow flies) between Jima Abajo and Boca Chica has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles