It doesnt matter how far you park, on a windy day those carts will find your car like cruise missile.
I actually saw a guy bump a cart out of the way rather than get his chubby butt out of the SUV and move it He almost hit another car with the cart.
Our local Walmart employs a bunch of kids for the summer and they go out every half hour to bring the carts back in. Problem is when school starts its over