The calculated distance (air line) between Osogbo and Otan Ayegbaju is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Otan Ayegbaju is certainly longer, as only the direct route (as the crow flies) between Osogbo and Otan Ayegbaju has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles