Is 0.0000000990 kilometers as long as The Diameter of Earth?
It's about 0.000000000008 times as long as The Diameter of Earth
The length of The Diameter of Earth is about 12,756.2730 kilometers.
(Equatorial)
The Earth — not a perfect sphere, but rather an oblate spheroid with bulged middle — has a diameter of approximately 12,756.2730 kilometers 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 104.607360 kilometers.
There's more! See other comparisons to 0.0000000990 kilometers...