# Map proximity action **URL:** \ **Category:** Maps\ **Created:** [September 8, 2022, 7:05am UTC](https://community.thunkable.com/t/map-proximity-action/2032638 "2022-09-08T07:05:42Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![enghockkeanw](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/enghockkeanw/32/138278_2.png) [@enghockkeanw](https://community.thunkable.com/u/enghockkeanw)\ **Post date:** [September 8, 2022, 7:05am UTC](https://community.thunkable.com/t/map-proximity-action/2032638/1 "2022-09-08T07:05:42Z")
Hi, can any expert guide me on how to use the location sensor and prompt the text label to display once the phone is near the location (Marker) ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/5/3/5321c4b7a15b0f86a29584aa676358788e80f1eb.png) My code so far, but it doesn’t work. ---
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [September 8, 2022, 2:33pm UTC](https://community.thunkable.com/t/map-proximity-action/2032638/2 "2022-09-08T14:33:48Z")
You can determine distance by using the Haversine formula. There are several topics on it so I suggest searching the forums. Here’s one example: > [@Math Help - Formula not working](https://community.thunkable.com/t/math-help-formula-not-working/917769/15): > > Hi guys, I know I’m like a year late but I got it to work! @drted’s api solution was great but network here in my country is quite slow and it would be a pain on bad days and even worse for a batch requests if I had to use a for loop. It works in degrees as of testing and you can see the blocks below as well a sample test I did. I double checked with radians in excel and it returned the same answer. TEST BLOCKS The … ---
**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\ **Post date:** [November 8, 2024, 1:12pm UTC](https://community.thunkable.com/t/map-proximity-action/2032638/3 "2024-11-08T13:12:54Z")