The calculated distance (air line) between Yolombó and Barrancabermeja is approximately 86 miles respectively 138 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between Yolombó and Barrancabermeja has been calculated here.
Air line (approximately)
138 kilometers
74 nautical miles