Size Duel deck / Places and long things
Great Barrier Reef
Length: length along the coast
2,300 km (1,429 mi)
Not one reef but thousands of separate reefs.
Sources and checks
Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, second-source quote verified in the fetched page. Quotes are short passages from each source, in their original language.
Wikidata P2043: 2300 kilometreQ7343, CC0, retrieved 2026-10-19
“strekker seg nesten 2300 kilometer nordover”Store norske leksikon (in Norwegian): source, retrieved 2026-10-19
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