Google maps is drunk. I'm at the blue dot & wanted to see how long it would take to walk to the red flag and this is the route it suggested.
(thelemmy.club)
There's a really old Top Gear episode, where someone sent in a suggested travel route (they did verify it) from one of the online services. What they wanted was "go from this one part of London to this other part of London, but avoid the big motorways". The suggested route had the submitter leaving London and crossing the Channel into France ...