Cities where you can find Circle K branches
- Tecumseh (2)
- Terrace (1)
- Thamesford (2)
- Thamesville (2)
- Thompson (1)
- Thornbury (1)
- Thornhill (8)
- Thorold (1)
- Three Hills (2)
- Thunder Bay (19)
- Tilbury (2)
- Tillsonburg (2)
- Timmins (3)
- Toronto (39)
- Tottenham (1)
- Trenton (4)
- Tweed (2)