Then he's wrong - not for the first time. The advice from lawyers and the ACPO is that there is no limit (in England, different here) to distance travelled for exercise.
Don't forget - this is the man who couldn't even organise a PR photoshoot of vaccinations to his , and everyone else's embarrassment.
Oh, and you still haven't said if you regard a cup of coffee as a picnic! I did ask you specifically
Mike