I think that goes without saying.
Metro Calgary
5,107.43 km2
Metro Edmonton
9,417.88 km2
Metro Vancouver
2,878.52 km2
For fun!...
Hong Kong
1,104 km2
The Republic of Singapore
710.2 km2
Tokyo Metropolis
2,187.08 km2
Mexico City
7,854 km2
The entire United Arab Emirates
4,114 km2