If you’ve ever watched a worm wriggle around in the soil, you’ll notice that no matter how aggressive they move, they don’t travel as fast as a spider. The speed at which earthworms travel depends on the size of the earthworm.
A small earthworm travels at a rate of around 27 feet per hour (0.2 centimeters per second).
A medium sized worm can cover 185 feet in one hour or 1.5 centimeters per second.
And large earthworms can make their way across 240 feet of earth in one hour.
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taken from Internet resource.
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