Get off at Changchang and walk to Chang 'an New Campus of Xi University of Posts and Telecommunications:

13 minutes is about 940 meters.

Starting point:

From the starting point, drive due west, walk 6 10 meters along West Chang 'an Avenue, and then turn left.

Go straight for 20 meters, then turn left.

Drive 1 10 meters, then turn right and enter the roundabout.

Continue along the roundabout120m, then turn right.

Walk 80 meters to the finish line.

End point: Xi 'an University of Posts and Telecommunications Chang 'an Campus