The calculated distance (air line) between Barquisimeto and San Antonio de Los Altos is approximately 165 miles respectively 266 kilometers.
By car or train, the actual journey to San Antonio de Los Altos is certainly longer, as only the direct route (as the crow flies) between Barquisimeto and San Antonio de Los Altos has been calculated here.
Air line (approximately)
266 kilometers
143 nautical miles