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How Far Is It?

No options, no safety net — just you, a number and a tolerance. Twenty estimates from Everest-sized heights to ocean-sized gaps.

🌍 Geography medium 20 questions ~7 min
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What this quiz asks

  • How far is it in a straight line from London to New York, in kilometres?
  • How tall is the Burj Khalifa in Dubai, in metres?
  • As of 2025, roughly how many people live in Japan, in millions?
  • What is the total area of Australia, in square kilometres?
  • How high is the summit of Mount Kilimanjaro above sea level, in metres?
  • How long is the Panama Canal from ocean to ocean, in kilometres?
  • How deep is the Challenger Deep, the deepest known point in the ocean, in metres?
  • Counting all its branches and sections, how long is the Great Wall of China, in kilometres?
  • How tall is the Eiffel Tower to the tip of its antenna, in metres?
  • How long is the River Nile, in kilometres?
  • What is the diameter of the Moon, in kilometres?
  • What is the average distance from the Earth to the Moon, in kilometres?
  • How long is the Channel Tunnel between England and France, in kilometres?
  • How long is an official marathon race, in kilometres?
  • How deep is the Grand Canyon at its deepest point, in metres?
  • How far is it in a straight line from Paris to Rome, in kilometres?
  • How tall is the Statue of Liberty from the pedestal base to the torch, in metres?
  • How wide is the English Channel at its narrowest crossing, in kilometres?
  • What is the average depth of the world's oceans, in metres?
  • How long is the main span of San Francisco's Golden Gate Bridge, in metres?