The calculated distance (air line) between Neiva and Santander de Quilichao is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Santander de Quilichao is certainly longer, as only the direct route (as the crow flies) between Neiva and Santander de Quilichao has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles