The calculated distance (air line) between Yamazakichō-nakabirose and Tsuyama is approximately 31 miles respectively 51 kilometers.
By car or train, the actual journey to Tsuyama is certainly longer, as only the direct route (as the crow flies) between Yamazakichō-nakabirose and Tsuyama has been calculated here.
Air line (approximately)
51 kilometers
27 nautical miles