The other side of the world…

While in Busselton, Australia, about 200 km south of Perth, I wondered if I was “on the opposite” side of the world.  Thinking about it, I thought it was probably pretty close.

There is a great circle mapper at the following web page, which shows RDU – PER to be about 11,554 miles, which is pretty close to half way around the world.  (Officially, the circumference is 24,901 at the equator and 24,959 at the poles.)

http://gc.kls2.com/

And an even better visualization of this is the following “antipodal” map.  And that shows, as far as land mass, that NC is as close to opposite of south-western australia as you can get!

worldrev

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