The calculated distance (air line) between Kamojimachō-jōgejima and Higashi-ōsaka is approximately 82 miles respectively 131 kilometers.
By car or train, the actual journey to Higashi-ōsaka is certainly longer, as only the direct route (as the crow flies) between Kamojimachō-jōgejima and Higashi-ōsaka has been calculated here.
Air line (approximately)
131 kilometers
71 nautical miles