About 7 hours and 1 minute.
According to Baidu Map, the total distance from Harbin to Yanji is about 509.8 kilometers, which takes about 7 hours and 1 minute by car. It passes through: G222 and Hunwu Expressway.
Yanji delicacies include: kimchi, miso soup, cold noodles, hot chicken feet, stone pot bibimbap, ginseng chicken soup, Korean cakes, rice sausage, rice wine, bibimbap, rice soup, cold noodles, seafood, barbecue, skewers,
Cuisine etc.