Where he's going he doesn't need roads
For those who like math or relativity clouds: Popular Science consulted a Santa math specialist to look into how long it would take Santa [1] to deliver gifts to every child in the world.

For those who like math or relativity clouds: Popular Science consulted a Santa math specialist to look into how long it would take Santa [1] to deliver gifts to every child in the world.
Links:
[1] http://www.popsci.com/science/article/2012-12/fyi-how-long-would-it-take-santa-deliver-presents-every-kid-earth