Is 0.0000000180 leagues as long as The Circumfrence of Earth?
It's about 0.000000000003 times as long as The Circumfrence of Earth
The length of The Circumfrence of Earth is about 7,212.92550 leagues.
(Equatorial)
The Earth — not a perfect sphere, but rather an oblate spheroid with bulged middle — has an Equatorial circumference of approximately 7,212.92550 leagues. The first airplane trip around the circumference of the Earth (with a few stops along the way), was completed in 1924 by the United States Army Air Service, and took 175 days.
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