Why? Do you get more infectious the further you are from home?
I can see good reasons to discourage going too far afield. If you are allowed to drive somewhere for your daily exercise, everybody will flock to the local beauty spots. However, this reasoning clearly doesn't apply to somebody cycling from home alone for 14 miles.
Rules are instituted for reasons, but people seem to get tunnel vision and focus on the rules themselves rather than the reasons and that winds me up sometimes.