The calculated distance (air line) between Oyambarillo and Puerto Francisco de Orellana is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Puerto Francisco de Orellana is certainly longer, as only the direct route (as the crow flies) between Oyambarillo and Puerto Francisco de Orellana has been calculated here.
Air line (approximately)
153 kilometers
82 nautical miles