Cost of living in Ottawa (Canada) is 31% more expensive than in Zaragoza (Spain)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 936 prices entered by 161 different people.
For example, you would need at least €2,616 (C$3,980) in Ottawa to maintain the same standard of living that you can have with €2,000 in Zaragoza.