Arizona, Nevada and Oregon are the states that border on California
Oregon, Nevada, Arizona and Baja California, Mexico.
Buffalo Bill's and Whiskey Pete's in Primm, NV are at the Nevada-California border in southern Nevada. Boomtown in Verdi, NV is at the Nevada-California border in northern Nevada.
California
Arizona's border with both Nevada an California is the Colorado River.
Arizona, Nevada
California's neighboring states are Oregon, Nevada, and Arizona.
Nevada,Oregon and Arizona are the ones right next to California
California, idaho, Utah, Arizona, and Oregon.
The Mojave Desert covers parts of California, Arizona, Nevada and Utah.
California borders Mexico while Nevada does not; hence, California is closest.
California, Idaho, Utah, Oregon, and Arizona border Nevada.