Distance between Heishan and Ongjin
Distance from Heishan to Ongjin is 311 miles / 501 kilometers.
Map showing the distance from Heishan to Ongjin
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Air distance: | miles km |
Time difference between Heishan and Ongjin
The time difference between Heishan and Ongjin is 1 hour. Ongjin is 1 hour ahead of Heishan. Current local time in Heishan is 16:06 CST (2025-01-17) and time in Ongjin is 17:06 KST (2025-01-17).