On Sun, 2 Jan 2005 09:03:24 -0500, "HankG" wrote:

Just curious. Anyone know what the longest GC distance from any point on
Earth to any other point?

Of course, the original definition (not the current definition) of the
meter was 1/10-millionth of the distance between the north pole and
the quator. So, presumably, the distance from pole to pole is 20
million meters or 20,000 km.

The earth is not quite a sphere - I believe the equator is slightly
longer than a circle of longitude.