The calculated distance (air line) between Barquisimeto and San Juan de los Morros is approximately 137 miles respectively 220 kilometers.
By car or train, the actual journey to San Juan de los Morros is certainly longer, as only the direct route (as the crow flies) between Barquisimeto and San Juan de los Morros has been calculated here.
Air line (approximately)
220 kilometers
119 nautical miles