Anyone with a passing interest in geography is probably aware that the Mercator Map projection grossly distorts the size of some countries.
You can see by just how much on the following article: Map Projections: Mercator Vs The True Size of Each Country.
Alternatives do exist, which you can learn more about here: Map Projections & What They Say About You.
However, even I didn’t fully realise how distorted my view of the world was until I started playing around with Free Map Tools’ Measure a Distance tool.
Below are 7 maps showing just how much bigger and smaller some parts of the world are compared to what you probably think they are.







