The calculated distance (air line) between San Jerónimo and Barrancabermeja is approximately 136 miles respectively 218 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between San Jerónimo and Barrancabermeja has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles