I know too that it is useless to be anxious, and the statistics are that I am likely not going to crash...it's just that in many other kind of vehicle accidents...there is always a chance for survival, right? In a plane...eh...not so much when you are that far above the ground!
That's EXACTLY how I feel, and why I drive everywhere! I know people like to point to the statistics about car crashes, but I feel that in THEORY, cars are inherently safer for the reasons you mentioned. The reason there are so many more car accidents is because there are so many cars packed closely together, and they cause accidents with each other. If each car had as much "private space" as planes have, the stats would be in favor of cars, IMO. I've had a situation where the timing belt snapped, and a few other mechanical issues where my car just stopped, and in each case I was able to pull over and call for help. You can't fall thousands of feet to your death in the event of a mechanical failure when you're already on the ground!
As far as the other cars on the road, I like to drive "defensively". Admitedly, this can't give a 100 percent guarantee that you will avoid accidents where someone else is at fault, but it gives you the best chances.
I guess experience can affect viewpoints. When I was a child a plane crashed in a surburban neighborhood in my city, landing on a house and killing everyone on board and everyone who was in the house simply minding their own business. This memory stayed with me, as did the heavy turbulence I experienced EVERY time on the few flights I've been on. I also experienced a shaky landing, and all of this was enough to make me say "No more!". Of course, the TSA and the extra hassles that go into flying now would also be a deterrent, but I had already stopped flying long before all that happened.
One positive thing about driving everywhere though is that I've gotten to actually see most of the 50 states and parts of Canada and Mexico, rather than fly over them. A downside is that the only way I'll ever make it to Europe or Asia is to take a boat
PS. I hope my post didn't come across as negative to the OP! I'm just saying I'm one of many people with the fear of flying, like John Madden, who rode a bus to all of the NFL games he commentated on (the famous "Madden Cruiser") due to having bad experiences with flying. However, I do agree with all of the other posters who said that if you do fly, the chances are overwhelmingly in favor of everything going OK