How so? Specific laws might define specific distances. The spirit of the law is some reasonable distance, and the letter of a specific implementation of such a law might define a distance, which you could demarcate on your property if it were an issue, much like people may demarcate the boundaries of their property if trespass is an issue today.

> fair to me means "not one inch across my property line"

Then the compromise should be that vast wilderness can’t be privately owned.