The calculated distance (air line) between San Carlos de Guaroa and Villavicencio is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Villavicencio is certainly longer, as only the direct route (as the crow flies) between San Carlos de Guaroa and Villavicencio has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles