There's more worth going to within a 10 minute walk in Siena the there is within a ten minute drive in Houston.
NYC, London or Tokyo also work as examples since traffic moves at a snail's pace. It's trivial to beat a car on transit and a moderately fit person could jog faster than a car there.
[1] https://www.reddit.com/r/fuckcars/comments/uo7cle/a_comparis...