The calculated distance (air line) between Boca Chica and Santiago de los Caballeros is approximately 100 miles respectively 160 kilometers.
By car or train, the actual journey to Santiago de los Caballeros is certainly longer, as only the direct route (as the crow flies) between Boca Chica and Santiago de los Caballeros has been calculated here.
Air line (approximately)
160 kilometers
87 nautical miles