Somehow, I doubt if you took in all of Route 66. More of it exists in Oklahoma than any other state. It is a journey one takes over a long period. For example, you can start in Baxter Springs at the Route 66 Cafe, well noted for its cuisine. You have to get the tobbaco strings, they are delicious. Then in Miami, there is the historic Coleman Theatre and the Ku-Ku drive-in. In Afton is an amazing Packard museum. Clanton's Cafe in Vinita, known for its chicken fried steak, the totems in Foyil, The Davis gun museum and Will Rogers museum in Claremore, the blue whale in Catoosa, and then you get to Tulsa.
It is a two hour drive without stops, but for the adventure, you should plan on two days to travel this segment. Look up Route 66 on the web. It has many links, including some just for travelling the Oklahoma segments.