And this includes the coast. NYC, SF, LA, DC etc are all within the border zone.
Also international airports
Me personally, 100 miles, probably not - most of the time.
In Criminal Procedure, many law professors skip this section of the book (a bunch of drug cases) and summarize the caselaw with “you have no rights at the border.”
66% of the US population lives "at the border", and what do drug cases have to do with any of this?
Most of the precedent cases in this area are drug prosecutions typically involving over-border smuggling.