The calculated distance (air line) between Bucheon-si and Hongch’ŏn is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Hongch’ŏn is certainly longer, as only the direct route (as the crow flies) between Bucheon-si and Hongch’ŏn has been calculated here.
Air line (approximately)
99 kilometers
54 nautical miles