Latitude/Longitude Distance Calculation
Use the 'option 3' input mask (eg S 35° 17.555 E 149° 03.885 becomes 35 17.555'S 149 03.885'E).
In the absence of some clever code that'll compare each of my finds to the others I've been trying by hand. The best I've come up with so far is 13,238.6514 km between Dante's Peak (Canberra, ACT) and The Pyramid of the Sun (Mexico).
Shortest line between points only - no drawing a line through South America and Africa to link caches in Bondi and Penrith
![Wink ;)](./images/smilies/icon_wink.gif)