The calculated distance (air line) between Yŏnggwang-ŭp and Manp’o is approximately 100 miles respectively 160 kilometers.
By car or train, the actual journey to Manp’o is certainly longer, as only the direct route (as the crow flies) between Yŏnggwang-ŭp and Manp’o has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles