California Code, Penal Code - PEN § 172l

The provisions of Section 172a shall not apply to the sale or offering for sale of any intoxicating liquor on the premises of, and by the holder or agent of a holder of, a retail off-sale license, as defined in Section 23394 of the Business and Professions Code, outside one mile of the closest building of the Claremont Colleges to these premises; nor shall the provisions of Section 172a apply to the sale or offering for sale of any beer, or wine, or both, on the premises of, and by the holder or agent of a holder of, a retail package off-sale beer and wine license, as defined in Section 23393 of the Business and Professions Code, outside 2,000 feet of the closest building of the Claremont Colleges to these premises.

Distance provided in this section shall be measured not by air line but by following the shortest road or roads connecting the points in question.