Data studies

Questions about the world, answered by measuring it. Each study uses the same data as MapGO's tools, shows how it was measured, and comes with a CSV you are free to reuse with a link back.

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  October 19, 2026

  The cities farthest from the sea

  Ürümqi, China, is the big city farthest from any ocean: 2,353 km (1,462 miles) in a straight line.

  All 522 cities of 1,000,000 or more people, ranked, with a map and a free CSV.

  Read the study

Want to measure something yourself? The distance to coastline and distance to border calculators use the same data.