Welcome to the City of City Hall is located at One Main Street Phone: 707/374-6451 Fax: 707/374-5063 City Council Location RIO VISTA, incorporated in 1893, is located 48 miles southwest of Sacramento, 65 miles northeast of San Francisco, and 400 miles north of Los Angeles. Rio Vista is in Solano County, the fastest growing of the nine Bay Area Counties. History In 1844 General John Bidwell, a ...