The calculated distance (air line) between Yamazakichō-nakabirose and Kobe is approximately 42 miles respectively 67 kilometers.
By car or train, the actual journey to Kobe is certainly longer, as only the direct route (as the crow flies) between Yamazakichō-nakabirose and Kobe has been calculated here.
Air line (approximately)
67 kilometers
36 nautical miles