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356,000 km
- The total length of coastline in the world: 356,000 km
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This article contains a list of countries by length of coastline, in kilometers. Though the coastline paradox stipulates that coastlines do not have a well-defined length, there are various methods in use to measure coastlines through ratios and other metrics.
Mar 3, 2023 · According the Ordnance Survey: “The coastline length around mainland Great Britain is 11,072.76 miles [17,819.88 km].” However, as the map above shows it’s not really that simple. The crux of the matter is how many individual vertices you use to make polygons in your map.
Coastline. This entry gives the total length of the boundary between the land area (including islands) and the sea.
- Amanda Briney
- Canada. Length: 125,567 miles (202,080 km) Most of the provinces of Canada have coastline, either on the Pacific, Atlantic or Arctic Oceans. If you walked 12 miles of coastline per day, it would take 33 years to cover it all.
- Norway. Length: 64,000 miles (103,000 km) Norway's coastline length was recalculated in 2011 by the Norwegian Mapping Authority to include all its 24,000 islands and fjords, growing even over its previous estimate of 52,817 miles (85,000 km).
- Indonesia. Length: 33,998 miles (54,716 km) The 13,700 islands that make up Indonesia account for its large amount of coastline. Because it's in a collision zone between several plates of Earth's crust, the region is ripe for earthquakes, potentially changing the nation's extensive coastline.
- Russia. Length: 23,397 miles (37,653 km) In addition to Pacific, Arctic, and Atlantic Ocean shorefront, Russia also borders several seas, including the Baltic Sea, Black Sea, Caspian Sea, and the Sea of Azov.
According to the CIA Factbook, the length of the UK coastline is around 12,429 km or 7,723 miles. [3] According to the World Resources Institute, the length is around 19,717 km. [4]
Countries by Coastline 2024. Coastline is defined as the boundary where land meets the water and is often known as shoreline or seashore. It is created by waves crashing onto the shore, eroding the land. Coastlines hold great economic, military, and cultural importance to a country.
How long are the world’s coasts? The estimates for the global length of coastlines found in the literature vary widely. This is not surprising because the projected length of a coast depends upon the measurement scale applied.
