Ontario is a city located in south west San Bernardino County, California, United States, 35 miles east of downtown Los Angeles. Located in the western part of the Inland Empire region, it lies just east of the Los Angeles county line and is part of the Greater Los Angeles Area. Wikipedia

Thousand Oaks is an affluent city in southeastern Ventura County, California, part of the Greater Los Angeles Area in the United States. Thousand Oaks is located approximately 35 miles from Downtown Los Angeles and is also less than 15 miles from the Los Angeles city neighborhood of Woodland Hills. Wikipedia