Nothing. California borders Mexico.
There is a distance of 1,180 kilometers (733 miles) between the California-Oregon border (in the Klamath National Forest) and the US-Mexico border, between the cities of San Diego in California and Tijuana in Mexico.
California was acquired from Mexico at the end of the Mexican-American War (1846-1848). Since then, southern California has been part of the US-Mexico Border.
California, Arizona, New Mexico, and Texas are the US states on the border with Mexico.
No, Alaska share no border with any US State.
They share a common border.
Texas, New Mexico, Arizona, and California all share a border with Mexico.
I'll assume you mean the US border, rather than the borders with New Mexico, Utah, Nevada or California. It's about 180 miles to Nogales from Phoenix.
The four Southwestern state of the US that are all on the border of Mexico are Texas, California, New Mexico and Arizona. From West to East they would be; California, Arizona, New Mexico and Texas.
Texas, New Mexico, Arizona, and California all share a border with Mexico, the only Spanish-speaking country that borders the US.
California, Arizona, New Mexico and Texas border Mexico on the South.
Mexico.
California and Mexico