Pipeline transport is the long-distance transportation of a liquid or gas through a system of pipes—a pipeline—typically to a market area for consumption. The latest data from 2014 gives a total of slightly less than 2,175,000 miles (3,500,000 km) of pipeline in 120 countries of the world.[1] The United States had 65%, Russia had 8%, and Canada had 3%, thus 75% of all pipeline were in these three countries.

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https://en.wikipedia.org/wiki/Pipeline_transport

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U.S. has 1,413 thousand miles by Wikipedia

Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). However, from pole-to-pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid.

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https://www.space.com/17638-how-big-is-earth.html

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The United States has the largest network of energy pipelines in the world, with more than 2.4 million miles of pipe.

 

http://www.pipeline101.org/Where-Are-Pipelines-Located

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