The calculated distance (air line) between Bucheon-si and Chinch'ŏn is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Chinch'ŏn is certainly longer, as only the direct route (as the crow flies) between Bucheon-si and Chinch'ŏn has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles