KeK. That is too funny. For those that don't know KeK is what shows up for alliance players of WoW when an Orc says LOL. You can't understand what the horde are saying if you are alliance, and vice versa.
Meaning since all mounts are the same speed, Arwen is getting away because she's got a carrot on a stick out in front of her horse making it run faster.
And Frodo's asking for the flight path because one of the first things you do when you arrive in a new town is find the 'airport' so should you ever wish to return, you can fly there rather than walk.
Neither is funny unless you knew before hand. Just like KeK.