The calculated distance (air line) between Yanagawamachi-saiwaichō and Yokohama is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Yokohama is certainly longer, as only the direct route (as the crow flies) between Yanagawamachi-saiwaichō and Yokohama has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles