The calculated distance (air line) between Masaki-chō and Higashi-ōsaka is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Higashi-ōsaka is certainly longer, as only the direct route (as the crow flies) between Masaki-chō and Higashi-ōsaka has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles