The calculated distance (air line) between San Juan de Betulia and Barrancabermeja is approximately 180 miles respectively 289 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between San Juan de Betulia and Barrancabermeja has been calculated here.
Air line (approximately)
289 kilometers
156 nautical miles