Good question! I have no idea! I have a VN Commodore and it cost me $40 to drive from Ballina to the Gold Coast which was a two hour drive, so u could roughly work it out if you knew how many hours it takes to drive there LOL
Methinks the traffic will be pretty scarce on that road and the Falcon isn't too bad long distance without stopping. I heard petrol was something like $1.70 along that road though. Sneaky buggers :)