The calculated distance (air line) between Twimoraet’ŏ and Kangnyŏng is approximately 76 miles respectively 122 kilometers.
By car or train, the actual journey to Kangnyŏng is certainly longer, as only the direct route (as the crow flies) between Twimoraet’ŏ and Kangnyŏng has been calculated here.
Air line (approximately)
122 kilometers
66 nautical miles