The calculated distance (air line) between Isanlu-Itedoijowa and Igarra is approximately 70 miles respectively 113 kilometers.
By car or train, the actual journey to Igarra is certainly longer, as only the direct route (as the crow flies) between Isanlu-Itedoijowa and Igarra has been calculated here.
Air line (approximately)
113 kilometers
61 nautical miles