They both lived in or near Chicago at one time, have birthdays in January, and now live in Los Angeles CA.
Betty White was born in Oak Park, Illinois, a suburb of Chicago, on January 17, 1922, and moved to Los Angeles, California with her family before she was 2 years old.
Oprah Winfrey was born in the rural town of Kosciusko, Mississippi, on January 29, 1954. She was recruited by a Chicago TV station to host her own morning show. She later became the host of , The Oprah Winfrey show from Harpo Studios, in Chicago, Illinois which was Oprah's hometown. The Oprah Winfrey Show, aired from 1986 to 2011.
Oprah Winfrey now has a television network called, Oprah Winfrey Network. OWN is a joint venture between Harpo Inc. and Discovery Communications located in Los Angeles CA.