How do I develop a way to test maximum 25200 points of breadcrumbs in a map? [closed]

for instance, let's say the car's starting point is pointA and pointE(25200) is the max it can be track down.So what are the test plan I can write to find out that the map display upto 25200 points worth of breadcrumb trail?

7hrs * 60 min/hr *60 min/sec =25200 points

please let me know. Thank you.