[Hmm. An interesting perspective she had previously dismissed due to uncertainty about the regular distances traveled.]

Nor am I currently aware of the necessarily calculations that would be mandated, though I am certain that--with enough time and reliable data--this is not something beyond my capabilities to formulate.

In fact, there is potential for this information to be used on both a world-wide and Turtle-wide scale, assuming that these formulas could be used to program a navigational device to service this very purpose.