560.2 kilometers. According to Baidu map, the whole journey from Dandong to Changbai Mountain is 560.2 kilometers, and the driving time is 7 hours and 56 minutes, passing through: Heda Expressway, S304；; You can also take the D8090 train at Dandong Station and get off at Shenyang North Station, and take the G3603 train and get off at Changbai Mountain Station. The whole journey took 6 hours and 32 minutes.