[ncmncm]

Well, OK.

  $ /bin/units
  You have: 1 Gly
  You want: m
   * 9.4607305e+24
   / 1.0570008e-25
  You have: 1 Gly
  You want: km
   * 9.4607305e+21
   / 1.0570008e-22
  $

But I got mixed up on starting the road length, reading it as 60 mi. Fair's fair.

[danparsonson]

I got mixed up between m and km so I guess we're even :-)