27 kilometers.

1. First, walk on the left bank of Wuhu to the Tea City Square bus stop and take bus No. 51, which lasts 1 km.

2. Next, go through the 17th stop and get off at Zhonggouliang Station, and transfer to the No. 1 bus at the same station. The journey lasts 11 kilometers.

3. Finally, after 10 stops, get off at the Olympic Sports Center Station and walk to Zhongjiang New Village, which is 15 kilometers away. So the distance from Wuhu Left Bank to Zhongjiang New Village is 1 km 11 km 15 km = 27 km.