about 112.4 kilometers.

according to the Baidu map, the whole journey from Tangshan to Harbin is about 112.4 kilometers, and the driving time is about 11 hours and 34 minutes, via Jingha Expressway.

Harbin food recommendation: pot-stewed meat, Harbin sausage, Mattel popsicle, pork-killing dish, big bar, Laochang spring cake, etc.