World Capitals Voronoi: Redrawing the World Map by Nearest Capital
Original: World Capitals Voronoi
An interactive map redraws world regions by the nearest capital using spherical Voronoi geometry.
Jason Davies’ map divides the world into regions based on the closest national capital rather than political borders. The page says it uses a spherical Voronoi diagram, accounting for Earth’s curvature when computing distances. The data source is Natural Earth’s 1:10m Cultural Vectors for Admin-0 capitals, making this a geography and visualization item, not an AI release.
“World Capitals Voronoi” is a map visualization by Jason Davies that reinterprets the spheres of influence of the world’s capitals using Voronoi partitioning. According to the page description, this map does not divide territory by official national borders, administrative regions, or political boundaries. Instead, it assigns every area on the Earth’s surface to the nearest capital city. In other words, if a location’s spherical distance to a particular country’s capital is the shortest, it falls within that capital’s Voronoi region. This presentation lets readers intuitively see the differences between geographic distance and political boundaries; for example, some border areas may be closer in distance to a neighboring country’s capital than to their own national capital.
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