San Francisco
can be in a californa
southern
The southwest part.
From San Diego to Evansville, Indiana (the closest part of Indiana to San Diego), is about 29 hours driving, not including stops.
San Diego is in Southern California, one of the southern-most cities in CA.
San Francisco
San Diego is situated in the Southwestern corner of both California and the USA.
It is telephone company code for "San Diego-Mira Mesa." It is part of the City of San Diego, politically.
San Diego is not in a desert. However, the Colorado Desert, part of the greater Sonoran Desert, is just east of there.
san fransisco
No, it's part of San Diego.