Cities where you can find Circle K branches
- Salmon Arm (1)
- Sarnia (8)
- Saskatoon (11)
- Sauble Beach (1)
- Sault Ste. Marie (12)
- Scarborough (17)
- Schumacher (2)
- Selkirk (1)
- Shanty Bay (2)
- Sharon (1)
- Shelburne (2)
- Sherwood Park (5)
- Slave Lake (2)
- Smiths Falls (2)
- South Lancaster (1)
- South Porcupine (2)
- Southampton (2)
- Spruce Grove (2)
- St. Albert (3)
- St. Catharines (3)
- St. Marys (1)
- St. Paul (1)
- St. Thomas (4)
- Stayner (2)
- Stirling (2)
- Stittsville (2)
- Stoney Creek (1)
- Stony Plain (2)
- Stouffville (2)
- Stratford (3)
- Strathroy (2)
- Sturgeon Falls (2)
- Sudbury (8)
- Summerland (1)
- Surrey (10)
- Sylvan Lake (1)