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Is 1,200 milimeters as long as I-80?

It's about 0.0000003 times as long as I-80
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The length of I-80 is about 4,638,030,000 milimeters.
(a.k.a. Interstate 80, a.k.a. Keystone Shortway) (net length)
Interstate 80, crosses the continent of North America from Teaneck, New Jersey to San Francisco, California and covers a total length of 4,638,030,000 milimeters. A 60,000,000 milimeters stretch between mile marker 318 in Grand Island, Nebraska and mile marker 390 in Lincoln, Nebraska is the longest straight path in the US Interstate system.
There's more! See other comparisons to 1,200 milimeters...