在mysql和php中使用lattitude和longitude找到距离

I have the following table

我有下表

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 | id | Latitude  | Longitude |
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 |  1 | 30.378179 | 78.032192 |
 |  2 | 31.633979 | 74.872264 |
 |  3 | 19.075984 | 72.877656 |
 |  4 | 13.082680 | 80.270718 |
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