關於「Lat lng distance javascript」標籤，搜尋引擎有相關的訊息討論：

How to get distance between two coordinates with Mapboxstackoverflow.com › questions › how-to-get-distance-betw...Getting Lat/Lng from a Click Event | Maps JavaScript APIdevelopers.google.com › ... › Web › Maps JavaScript APILat/Lng Object Literal | Maps JavaScript API | Google