Well, sure, click.
Ordinarily I am a huge fan of Napoleon Bonaparte's spiffy Metric System, but I am in a nasty mood and don't feel like converting from my American living room's old-fashioned English feet.
So if you want the 3 slices of pizza with the shallots, do this in feet, to a precision of 100ths of a foot. (Don't mess with silly inches.)
The technical term for a shortest length between two points is a geodesic. Icky spider needs a geodesic here.
