The calculated distance (air line) between San Sebastián de Mariquita and Yopal is approximately 172 miles respectively 277 kilometers.
By car or train, the actual journey to Yopal is certainly longer, as only the direct route (as the crow flies) between San Sebastián de Mariquita and Yopal has been calculated here.
Air line (approximately)
277 kilometers
149 nautical miles