I don’t recommend to search for the limit. The limit often depends on your smartphone, OS version etc. - so if you found the limit to be 7k km one day, with a different route on a different day, the limit might be 6.5 or 7.5. Just as a heads up 
I don’t recommend to search for the limit. The limit often depends on your smartphone, OS version etc. - so if you found the limit to be 7k km one day, with a different route on a different day, the limit might be 6.5 or 7.5. Just as a heads up