The calculated distance (air line) between Uijeongbu-si and Jeongeup is approximately 148 miles respectively 238 kilometers.
By car or train, the actual journey to Jeongeup is certainly longer, as only the direct route (as the crow flies) between Uijeongbu-si and Jeongeup has been calculated here.
Air line (approximately)
238 kilometers
129 nautical miles