Cities where you can find Petro-Canada branches
- Wainwright (1)
- Wallaceburg (1)
- Wandering River (1)
- Waskatenau (1)
- Waterdown (1)
- Waterloo (6)
- Waterloo (1)
- Wawa (1)
- Welland (4)
- West Pubnico (1)
- West Vancouver (2)
- Westbank (1)
- Westerose (1)
- Westlock (1)
- Wetaskiwin (2)
- Weyburn (1)
- Whitby (12)
- White Rock (1)
- Whitecourt (4)
- Whitehorse (2)
- Whitewood (1)
- Wiarton (1)
- Williams Lake (1)
- Windsor (1)
- Windsor (7)
- Winfield (2)
- Winkler (1)
- Winnipeg (25)
- Winsloe (1)
- Woodbridge (5)
- Woodstock (3)
- Wyoming (1)