Bay Area to Chicago illinois (San Francisco)

Leaving from Bay Area thru Southwest to Chicago area. 3-4 days journey. Can pickup and dropoff anywhere close route! San Francisco Bakersfield Phoenix/Flagstaff/, Albuquerque, Oklahoma City, St Louis Missouri, etc. You pay for the gas, I do the driving! Simple. I have a mini van, so can also take stuff. My car is registered, insured, new brakes/tires and I drive safe! 18mpg! Thanks for reading!