Play “Movies”
The starting person says the first initial of every letter in a movie title. For instance, if the movie is “The Incredibles,” you would say, “T,I.” The first person to guess gets to go next. In most cases you will have to ask for clues after a couple of wrong guesses. This game could go on for hours in my family and my four year old always says, “E” for “ET” which we all get quite a laugh out of.
Play an Alphabet Game
Pretend you are going on a trip and each person says what they will bring in alphabetical order till you reach Z. Say, “I'm going on a trip and I'm bringing an Animal.” The next person would say, “I'm going on a trip and I'm bringing a Book” etc.
For older kids make it harder and have what they're bringing go with the theme of a trip. For instance you would bring an Antenna (to hear the radio), a Book (to read since there's no TV) and a Canoe etc.
Count the Cars
Pick a color and every one can count how many cars of that color they see. Make it a competition. Assign each child a different color and the child who has seen the most cars of their color wins.
Count the Animals
If you live in a rural area, count the animals you see en route.
Tell a Story One Sentence at a Time
Taking turns, each person tells one sentence of a story. For instance, you could start with, “Once upon a time there was a dog on a roof.” Then the next person would tell what happens next. Your kids won't be able to wait till it's their turn to contribute and will be thinking of what to say next.
Be Creative
Make up a new game with your own rules. Better yet, let your kids take turns making up new car games.
Playing car games will not only get you all there in peace, it will provide some quality and fun rides.