Cities where you can find Circle K branches
- Madoc (2)
- Manotick (2)
- Maple Ridge (3)
- Maple (3)
- Marathon (2)
- Markham (10)
- Marmora (1)
- Meaford (2)
- Medicine Hat (5)
- Melfort (1)
- Midland (2)
- Milton (6)
- Mission (3)
- Mississauga (23)
- Mitchell (2)
- Moose Jaw (4)
- Morinville (2)
- Mount Brydges (2)
- Mount Forest (2)
- Munster (1)