The calculated distance (air line) between Río Viejo and Barrancabermeja is approximately 105 miles respectively 169 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between Río Viejo and Barrancabermeja has been calculated here.
Air line (approximately)
169 kilometers
91 nautical miles