- Wendy's Omaha, NE
- Wendy's Overland Park, KS
- Wendy's Owings Mills, MD
- Wendy's Oxford, OH
- Wendy's Ocala, FL
- Wendy's Orlando, FL
- Wendy's Old Town, ME
- Wendy's Ocean City, MD
- Wendy's Oakbrook Terrace, IL
- Wendy's Oakdale, CA
- Wendy's Orange, TX
- Wendy's Oberlin, OH
- Wendy's Orleans, MA
- Wendy's Oswego, NY
- Wendy's Oshkosh, WI
- Wendy's Oxnard, CA
- Wendy's Oceanside, CA
- Wendy's Oklahoma City, OK
- Wendy's Oxford, MS
- Wendy's Orange Park, FL
- Wendy's Odessa, TX
- Wendy's Opelika, AL
- Wendy's Okeechobee, FL
- Wendy's Oak Grove, KY
- Wendy's Oak Ridge, NC
- Wendy's Ocoee, FL
- Wendy's Oakwood, GA
- Wendy's Old Bridge, NJ
- Wendy's Orem, UT
- Wendy's Olean, NY
- Wendy's Olathe, KS
- Wendy's Oakland, CA
- Wendy's Orland, CA
- Wendy's Owasso, OK
- Wendy's Oroville, CA
- Wendy's Oak Hill, WV
- Wendy's Oregon City, OR
- Wendy's Obetz, OH
- Wendy's Oldsmar, FL
- Wendy's Ormond Beach, FL
- Wendy's Orange, CA
- Wendy's Ogallala, NE
- Wendy's Oskaloosa, IA
- Wendy's Osage Beach, MO
- Wendy's Oviedo, FL
- Wendy's Oak Grove, MO
- Wendy's Ottawa, OH
- Wendy's Ontario, CA
- Wendy's Olive Branch, MS
- Wendy's Oakdale, NY
- Wendy's Ozark, MO
- Wendy's Odessa, FL
- Wendy's Oakland, TN
- Wendy's Orchard Park, NY
- Wendy's Orangeburg, SC
- Wendy's Olympia, WA
- Wendy's Oxon Hill, MD
- Wendy's Ogden, UT
- Wendy's Ocean Springs, MS
- Wendy's Oxford, AL
- Wendy's Oneonta, NY
- Wendy's Oneida, NY
- Wendy's Oak Park, IL
- Wendy's Orange City, FL
- Wendy's Oakland Park, FL
- Wendy's Orland Hills, IL
- Wendy's Oak Ridge, TN
- Wendy's Onalaska, WI
- Wendy's Oxford, NC
- Wendy's Owensboro, KY
- Wendy's Oak Creek, WI
- Wendy's Owatonna, MN
- Wendy's Oak Forest, IL
- Wendy's Orange, CT
- Wendy's O'Fallon, MO
- Wendy's Oak Harbor, WA
- Wendy's Orland Park, IL
- Wendy's Ocean, NJ
- Wendy's Onley, VA
- Wendy's Orange, NJ
- Wendy's Ozark, AL
- Wendy's Oakwood Village, OH
- Wendy's Oxford, PA
- Wendy's Ottawa, IL
- Wendy's Oak Park Heights, MN
- Wendy's Orono, ME
- Wendy's Oregon, OH
- Wendy's Ooltewah, TN
- Wendy's Okatie, SC
- Wendy's Opelousas, LA
- Wendy's Okemos, MI
- Wendy's Owosso, MI
- Wendy's Ottawa, KS
- Wendy's Owego, NY
- Wendy's Oxford, FL
