The calculated distance (air line) between Manzanares and Barrancabermeja is approximately 154 miles respectively 247 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between Manzanares and Barrancabermeja has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles