The calculated distance (air line) between Ōdachō-ōda and Fukuyama is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Fukuyama is certainly longer, as only the direct route (as the crow flies) between Ōdachō-ōda and Fukuyama has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles