The calculated distance (air line) between Sueyoshichō-ninokata and Matsuyama is approximately 182 miles respectively 293 kilometers.
By car or train, the actual journey to Matsuyama is certainly longer, as only the direct route (as the crow flies) between Sueyoshichō-ninokata and Matsuyama has been calculated here.
Air line (approximately)
293 kilometers
158 nautical miles