The calculated distance (air line) between Ōnojō and Tanushimarumachi-toyoki is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Tanushimarumachi-toyoki is certainly longer, as only the direct route (as the crow flies) between Ōnojō and Tanushimarumachi-toyoki has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles