The calculated distance (air line) between Iwo and Ijebu-Igbo is approximately 48 miles respectively 76 kilometers.
By car or train, the actual journey to Ijebu-Igbo is certainly longer, as only the direct route (as the crow flies) between Iwo and Ijebu-Igbo has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles