# 其他类型 - geo ``` <pre class="calibre14">``` geoadd city <span class="token3">116.44</span> <span class="token3">39.96</span> beijing 添加 geodist city beijing bj km 计算两地距离 单位km m geopos city bj 返回经纬度<span class="token2">,</span>支持多个城市 geohash city beijing bj 返回hash值 georadius city <span class="token3">116</span> <span class="token3">39</span> <span class="token3">1000</span> km 返回附近点 count <span class="token3">3</span> withcoord withdist asc 分别是返回<span class="token3">3</span>条数据 经纬度 距离 从进到远 geoRadiusByMember city bj <span class="token3">1000</span> km 同上<span class="token2">,</span>只是中心位置是城市名 ``` ``` - 基数（HyperLogLog)