How many kilometers is it from Tongbai County to Zhenglaozhuang?

Driving route: the whole journey is about 39.8 kilometers.

Starting point: Tongbai County

1. Start west from the starting point, drive for 90 meters and turn left ahead.

2. Drive 2 10 meters and turn right into Sanyuan Avenue.

3. Drive 4.3km along Sanyuan Avenue and go straight into century avenue.

4. Drive along century avenue 1.6km, turn right ahead and enter the Hohhot-Hohhot line.

5. Drive 33.4 kilometers along the Hohhot-Hohhot line and reach the destination (on the left side of the road).

End point: Zheng Laozhuang