Potential AirBNB guest requesting exact address before booking

[Elisha Cram]

I had a potential guest ask me yesterday the distance to a specific location, which I shared, both in miles and travel time. Today he is asking to know the exact location so he can check the route on (redacted, but I assume Google Maps, etc). I have already told him that we are a few minutes from exit XYZ on I-95. Can anyone think of any legitimate (or illegitimate) reasons he’d need to know before booking? How can I respond politely that I will not be sharing that info at this point? Unless there is something I’m not thinking of, I’m inclined to not approve him to stay. Any thought? Insight? I’ve rented a few times on HomeAway, but this would be my first AirBNB guest.