circuity

noun3

1. •
   A circuitous plan; a roundabout way of doing something.
2. •
   The state or quality of being circuitous.

   • By adding up all squared values and by dividing the total by the number of vertices we get a number indicating the degree of circuity of the transportation network relative to the given vortex. — 1986
3. •
   A measure of the ratio of road miles to air miles between two locations.

   • The circuity factor is the average ratio of road miles to air miles between two points on a landscape. — 2006