2.5 kilometers. According to Baidu map, the distance between Lakeside Yintai Xinyuyuan Restaurant and Dongpo Hotel is 2.5 kilometers. The following are the distance and time estimates of common paths:

1. Walking: it takes about 15 minutes.

2. Driving: It takes about 1 minutes, and the distance is about 2.5 kilometers.

3. Public transportation: You can take a bus, which takes about 2 minutes.