Someone brought up sister cities with China a few breads ago. Here is a list that was posted in May:
Alaska:
Anchorage, Harbin
Arizona:
Gilbert, Leshan
Arkansas:
Little Rock, Changchun
California:
Alameda, Jiang yin City
Alhambra, Rizhao
Bakersfield, Cixi
Beverly Hills, Pudong
Corona, Fuxin
Davis, Qufu
Folsom, Jiaohe
Fresno, Taishan
Larkspur, Shangyu
Long Beach, Qingdao
Los Angeles, Guangzhou
Martinez, Hanchuan
Milpitas, Huizhou
Monterey Park, Quanzhou
Oakland, Dalian
Pasadena, Xicheng District
Redwood City, Zhuhai
Richmond, Zhoushan
Riverbank, Fuyang
Riverside, Jiangmen
Sacramento, Jinan
San Diego, Yantai
San Francisco, Shanghai
Santa Barbara, Weihai
Sonoma, Penglai
Stockton, Foshan
Whittier, Changshu
Colorado:
Arvada, Jinzhou
Boulder, Lhasa
Pueblo, Weifang
Connecticut:
Hartford, Dongguan
Stamford, Jiangdu
Stonington, Changchun
Torrington, Changzhou
Trumbull, Xinyi
Westport, Yangzhou
D.C.: Beijing
Florida:
Boynton Beach, Qufu
Jacksonville, Yingkou
Lakeland, Jiaxing
Miami, Qingdao
Orlando, Guilin
Port St. Lucie, Putuo District
Sarasota, Xiamen
Tallahassee, Rugao
Tampa, Jiaxing Shi
Titusville, Yueyang
Hawaii:
Honolulu, Chengdu
Illinois:
Bolingbrook, Xuchang City
Chicago, Shanghai
Indiana:
Carmel, Xiangyang
Elkhart, Tongxiang
Fort Wayne, Taizhou
Franklin, Luqiao
Gary, Fuxin
Hammond, Shahe
Indianapolis, Hangzhou
Kokomo, Dongyang
Lafayette, Longkou
Muncie, Zhuji
Newburgh, Xuyi County
Vincennes, Xuyi County
Louisiana:
Baton rouge, Heze
Maryland:
Baltimore, Xiamen
Rockville, Jiaxing
Massachusetts:
Cambridge, Haidian
Fitchburg, Tianjin
Shelburne Falls, Mutianyu
Michigan:
Detroit, Chongqing
Flint, Changchun
Lansing, Lanzhou
Midland, Zigon
Minnesota:
Minneapolis, Harbin
Missouri:
Columbia, Laoshan District
Kansas City, Xi'an
Nevada:
Reno, Nanhai District
New Jersey:
Edison, Shijiazhuang
Jersey City, Nantong
Marlboro twn, Wujiang District
Newark, Xuzhou
New Mexico:
Albuquerque, Lanzhou
New York:
Clarence, Tianjin
Jamestown, Haicheng
Mount Vernon, Shijingshan District
New Rochelle, Beijing
Brooklyn, Chaoyang District
Port Chester, Jingzhou
Rochester,Xianyang
Syracuse, Fuzhou
North Carolina:
Charlotte, Baoding
Greensboro, Yingkou
Raleigh, Xiangyang
Sanford, Yixing
Wilmington, Dandong
Winston-Salem, Yangpu District
Ohio:
Cincinnati, Liuzhou
Columbus, Hefei
Toledo, Qinhuangdao
Oklahoma:
Oklahoma City, Haikou
Edmond, Qingyang
Tulsa, Beihai
Pennsylvania:
Erie, Zibo
Philadelphia, Tianjin
Pittsburgh, Wuhan
South Carolina:
Greenville, Tianjin
Texas:
Houston, Shenzhen
Utah:
Provo, Nanning
Virginia:
Richmond, Zhengzhou
Roanoke, Lijiang
Washington:
Seattle, Chongqing
Spokane, Jilin
Wisconsin:
La Crosse, Luoyang
Milwaukee, Ningbo