What is the longest possible walk on earth?

Starting at any point on Earth, how far can a person walk without crossing any major bodies of water?

You might start by wondering how long it would take to cross the contiguous United States—a feat made of its own in the 1994 movie “Forrest Gump”—and how many miles it would take. The shortest path, from California to Georgia, is a long one 2,339 miles (3,764 km) and can take three to five months, although it depends on your pace, while the longest route, from Northern California to Maine, is 3,527 miles (5,676 km) and usually takes six months or more.

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