About four hours. The whole journey from Kaifeng to Changyuan by bus 10 1. 1 km takes about 4 hours. Specific route:

1. From Kaifeng to Jin 'an Road, drive150m, turn right, enter Jin 'an Road, drive 230m, turn right and enter Yishan Street, drive 590m.

2. Turn left, enter Daliang Road, drive 770 meters into the roundabout, enter Jin Ming Avenue, drive 4.4 kilometers, turn left, and drive 770 meters from Jin Ming Avenue to Lianhuo Expressway.

3. Go straight, enter Lianhuo Expressway, drive 18.4km, go straight, drive Lianhuo Expressway for 300m to Daguang Expressway.

4. Drive left ahead, enter Daguang Expressway, drive 40.7 kilometers, drive right ahead, and drive 850 meters from Daguang Expressway to Shanhai Avenue.

5. Turn right into Shanhai Avenue, drive for 3.6km, turn left into Linde Avenue, drive for 2.3km, turn right into Renmin Road, drive for1.6km. ..

6. Turn left from Renmin Road to Changyuan City and drive 1 10 meters to Changyuan City.