There is a site feature that will do that for you.
Go to this page, and you will see the search area at the bottom of the page.
Enter your desired radius and zip code, and the search will return a page of all DSLR members within that radius, sorted by premium members, and then on their post history. You may also enter city,state in the box in this fashion: HARTFORD,CT
To search for members, use the search box at the left side of the page:
You can use a full name, a partial name or a partial entry followed by a wildcard. (*)