55.9 kilometers, about 80 minutes (it takes time in urban areas). A all start from 2 km from Guanfu Street, Changping District People's Government, Beijing, and go straight to 1. From the starting point, drive 380 meters west along Guanfu Street, go straight into Guanfu Street West Road and enter the roundabout. 2. Go west along Guanfu Street for 870 meters, enter the roundabout, and turn right into Xiguan roundabout. 3. Drive west along Xiguan roundabout for 450m. Turn right in the direction of Beijing and turn left on 1 10 national highway. 4. Drive 200 meters southeast along 1 10 national highway, enter from G6/ Beijing downtown entrance, turn left into G6 Beijing-Tibet Expressway entrance and turn right. 5. Drive along the entrance of G6 Beijing-Tibet Expressway140m. Turn right, enter G6 Beijing-Tibet Expressway G6 Beijing-Tibet Expressway for 25.8km, exit North Fifth Ring Road/Jingcheng Expressway/Yuanmingyuan Exit and turn right 1. Drive along G6 Beijing-Tibet Expressway for 24.6km, exit from North Fifth Ring Road/Jingcheng Expressway/Yuanmingyuan, turn right into Shangqing Bridge, and turn left 2. Drive southeast along Shangqing Bridge 140m, and take the North Fifth Ring Road East/Jingcheng Expressway exit. Turn left, then turn right. 3. Drive along Shangqing Bridge for 990 meters, turn right and enter Fifth Ring Road 24. 1km, turn right 1. Drive along the Fifth Ring Road for 23.3 kilometers, turn right into Tong Yuan Bridge, and then turn right. 2. Drive 340m along Tong Yuan Bridge from Jingtong Expressway/East Fourth Ring Road/Sihui. Turn right, turn right. 3. Drive 450 meters southwest along Tong Yuan Bridge, turn right into Jingtong Expressway, and drive for 4 kilometers. Leave Tonghuihe North Road/East Fourth Ring Road /G 1/ Airport Expressway and turn right 1. Drive 3.7 kilometers west along Jingtong Expressway and leave from Tonghuihe North Road/East Fourth Ring Road /G 1/ Airport Expressway.