Bakersfield, California is 6.1 times larger than Santa Maria, California.
Area: 60 km2 calculated
Santa Maria is a city on the Central Coast, in Santa Barbara County. It is approximately 120 miles northwest of Los Angeles. The 2012 population was 101,459, putting it ahead of Santa Barbara for the first time and making it the most populous city in the county. Wikipedia
Area: 362 km2 calculated
Bakersfield is a city near the southern end of the San Joaquin Valley in Kern County, California. It is roughly equidistant between Fresno and Los Angeles, which are 110 mi to the north and south, respectively. Wikipedia