The calculated distance (air line) between Tanushimarumachi-toyoki and Fukuyama is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to Fukuyama is certainly longer, as only the direct route (as the crow flies) between Tanushimarumachi-toyoki and Fukuyama has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles