The calculated distance (air line) between Yeonggwang and Songgangdong is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to Songgangdong is certainly longer, as only the direct route (as the crow flies) between Yeonggwang and Songgangdong has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles