The calculated distance (air line) between Concepción de La Vega and Boca Chica is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Boca Chica is certainly longer, as only the direct route (as the crow flies) between Concepción de La Vega and Boca Chica has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles