The nearest foreign nation at any point on land
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The maps below show the nearest foreign country to any location on earth.
World map
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If we take the world’s biggest country, it’s weird to see Norway, United States, and China so close to each other.
Russia
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The map below depicts the nearest country border to everywhere in the U.S.
United States
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The closest nation of any point of France. But this map doesn’t include the overseas territories of France.
France
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The nearest country, when in Italy.
Italy
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Map of the nearest nation, when in Australia.
Australia
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If you found these maps exciting, you may also enjoy the following books:
What is the name of the formula used to generate the midpoint line (new borders) within each polygon (nation)? It’s not Voronoi.