How long is the Great Wall of China end to end?
21,196 km. Longer than a round trip from London to New York — and it is not visible from space.
How close would your guess have been?
In the game we ask it like this: “How long is the Great Wall of China, end to end?”
Type a number — scored exactly the way a round in the game is.
The answer
21,196km
21,196 km in other units
- 13,171 miles



