Aimed at national undergraduate mathematical modeling test in 2013, and according to the raw data of borrowing and returning the bikes of 20 days provided by Lucheng District of Wenzhou City public bicycle service center, this article defines the distance between the two sites, and finds the minimum and maximum distances.%本文针对2013年全国大学生数学建模试题，温州市鹿城区公共自行车服务中心提供的20天借车和还车的原始数据，定义了两站点之间的距离，并求出最小距离和最大距离。
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