The calculated distance (air line) between T’ongch’ŏn-ŭp and Chaeryŏng-ŭp is approximately 129 miles respectively 207 kilometers.
By car or train, the actual journey to Chaeryŏng-ŭp is certainly longer, as only the direct route (as the crow flies) between T’ongch’ŏn-ŭp and Chaeryŏng-ŭp has been calculated here.
Air line (approximately)
207 kilometers
112 nautical miles