The calculated distance (air line) between Mŭ’minobod and Hulbuk is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Hulbuk is certainly longer, as only the direct route (as the crow flies) between Mŭ’minobod and Hulbuk has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles