How fast can you FLY A CAR across GTA 5?

How FAST can you fly a car across GTA 5, using speedboosts? Streaming live on Twitch!   / dougdoug   Twitter:   / dougdougfood   Today, we find out the FASTEST way to get to GTA's mountain if you speedboost. A lot of people have this problem. Watch More DougDoug: Latest Uploads:    • OVERWATCH vs TF2, but explained with food   Explained with Food:    • Explained with Food | DougDoug   DougDoug Challenges:    • DougDoug Gaming Challenges   Popular Videos:    • Popular Videos | DougDoug   About DougDoug: Doug is a sentient bell pepper who was hired by the FBI to crack gaming challenges and also talk about things with food #GTA5