There are 14 markets (16 stations total) that are CBS stations that are O&O
The 14 markets are New York, Los Angeles, Chicago, Detroit, Philly, Dallas, San Francisco, Boston, Sacramento, Miami, Denver, Baltimore, Pittsburgh, Minneapolis.
Minneapolis has 2 satellite stations (KCCO & KCCW) and those are O&O too (but they only carry WCCO)
There are some other stations owned by CBS that are not CBS stations
list
http://www.rabbitears.info/search.php?request=owner_search&owner=CBS+Corporation
The 14 markets are New York, Los Angeles, Chicago, Detroit, Philly, Dallas, San Francisco, Boston, Sacramento, Miami, Denver, Baltimore, Pittsburgh, Minneapolis.
Minneapolis has 2 satellite stations (KCCO & KCCW) and those are O&O too (but they only carry WCCO)
There are some other stations owned by CBS that are not CBS stations
list
http://www.rabbitears.info/search.php?request=owner_search&owner=CBS+Corporation