Is 1,681,699,000 spans as long as The Diameter of Earth?
It's about thirty times as long as The Diameter of Earth
The length of The Diameter of Earth is about 55,801,720 spans.
(Equatorial)
The Earth — not a perfect sphere, but rather an oblate spheroid with bulged middle — has a diameter of approximately 55,801,719 spans at the Equator. The first complete view of Earth's diameter was in a photograph taken from a V-2 rocket launched in 1946 by the United States Army, which reached an altitude of 457,600 spans.
There's more! See other comparisons to 1,681,699,000 spans...