The calculated distance (air line) between Uijeongbu-si and Boryeong is approximately 99 miles respectively 160 kilometers.
By car or train, the actual journey to Boryeong is certainly longer, as only the direct route (as the crow flies) between Uijeongbu-si and Boryeong has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles