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Just for fun, I laid the UK over the eastern US with London roughly on top of Atlanta. Edinburgh falls very near Indianapolis. Now from Google maps, the straight line distance from Atlanta to Indianapolis is about 429 miles, while London to Edinburgh is 331. This leads me to believe that this tool is not accurately doing what it purports to be.

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When I put London on top of Atlanta (which admittedly is hard to do exactly because the cities in the country getting moved around aren't indicated), Edinburgh lands in southern Indiana, somewhere between Louisville, KY and Evansville, IN.

I could be wrong, but I don't think that's how it works. You're comparing the true size of UK with the flatmap projection of US. To do what you want, you need to compare the true maps of both countries - with the cities.

No, because this map scales the country according to its latitude. So when you drag down England to be next to Atlanta, you're looking at the size of England with respect to Atlanta. The "true size" is just "true" in comparison to whatever it's on top of. So it should be accurate.

Ok yes. An accuracy issue then as it's probably using a simple algo for the projection. Stand corrected.

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