The calculated distance (air line) between Kamogatachō-kamogata and Fukuyama is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Fukuyama is certainly longer, as only the direct route (as the crow flies) between Kamogatachō-kamogata and Fukuyama has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles