I was looking at the land area of CSAs and found the table at the Census Bureau website.
Here are CSAs with 5,000+ square miles.
Here is a link to a map:
https://www2.census.gov/geo/maps/metroarea/us_wall/Jul2023/CSA_WallMap_Jul2023.pdf
Area
in
Sq Miles-Combined Statistical Area
33,971---Los Angeles-Long Beach
26,073---Las Vegas-Henderson
25,136---Boise City-Mountain Home-Ontario
24,762---Salt Lake City-Provo-Orem
23,811---Albuquerque-Santa Fe-Los Alamos
19,326---Phoenix-Mesa
16,290---Dallas-Ft Worth
15,126---Reno-Carson City-Gardnerville Ranchos
13,330---Atlanta-Athens-Sandy Springs
13,199---Washington-Baltimore-Arlington
13,056---Denver-Aurora-Greeley
12,715---Portland-Vancouver-Salem
12,406---Houston-Pasadena
12,288---Seattle-Tacoma
11,994---San Jose-San Francisco-Oakland
11,281---New York-Newark
11,200---Kansas City-Overland Park-Kansas City
11,081---Duluth-Grand Rapids
10,972---Minneapolis-St Paul
10,634---Chicago-Naperville
10,424---Tucson-Nogales
9,474----San Antonio-New Braunfels-Kerrville
9,623----Idaho Falls-Rexburg-Blackfoot
9,486----Fresno-Hanford-Corcoran
9,392----El Paso-Las Cruces
9,189----Boston-Worcester-Providence
8,971----Columbus-Marion-Zanesville
8,887----St Louis-St Charles-Farmington
8,876----Nashville-Davidson-Murfreesboro
8,604----Rapid City-Spearfish
8,536----Charlotte-Concord
8,437----Miami-Port St Lucie-Ft Lauderdale
7,811----Indianapolis-Carmel-Muncie
7,720----Pittsburgh-Weirton-Steubenville
7,664----Cleveland-Akron-Canton
7,496----Tulsa-Bartlesville-Muskogee
7,434----Orlando-Lakeland-Daytona
7,402----Birmingham-Cullman-Talladega
7,285----Sacramento-Roseville
7,261----Lubbock-Plainview
7,188----Jackson-Vicksburg-Brookhaven
6,724----Redding-Red Bluff
6,588----Little Rock-North Little Rock
6,534----Detroit-Warren-Ann Arbor
6,299----Oklahoma City-Shawnee
6,104----Columbia-Sumter-Orangeburg
6,160----Memphis-Clarksdale-Forrest City
6,043----Albany-Schenectady
6,038----Amarillo-Borger
5,997----Greenville-Spartanburg-Anderson
5,881----Des Moines-West Des Moines-Ames
5,602----Edwards-Rifle
5,507----Chattanooga-Cleveland-Dalton
5,479----Spokane-Spokane Valley-Coeur d'Alene
5,273----Wichita-Arkansas City-Winfield
5,271----Charleston-Huntington-Ashland
5,158----Baton Rouge-Hammond
5,136----Columbia-Jefferson City-Moberly
5,126----Grand Rapids-Wyoming