How to calculate the distance between two coordinates

Hello Everybody
Am trying to calculate the distance between two coordinate can anyone help me to solve this taskChainage test 212.dyn (12.8 KB)

@naturalnature are you trying to measure between 2 coordinates or between 2 elements? Isn’t this the same question you have asked here

If your looking measure between 2 coordinates Geometey.DistanceTo should get you started.