Fine. Hop in a car, and get on the nearest highway. Every time you come to a fork, roll a die to see which direction you go. 24 hours is a long time to drive, but not impossible. And assuming a truly random path, he’d have no hope of predicting where you were going to try and head you off. Hell, stop over and rent a new car whenever you’re running low on gas, just to make things even more confusing; You’re about to win $3B, so what is a few hundred dollars in rental car fees?