Ouachita Parish, Louisiana is 27 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: 1,638 km2 calculated
Ouachita Parish is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 153,720. The parish seat is Monroe. Ouachita Parish is part of the Monroe Metropolitan Statistical Area as well as the Monroe–Bastrop Combined Statistical Area. Wikipedia