I once did 9 hours uhh actually it might have been longer through the California desert i. the middle of nowhere, with a really bad head cold. It was pretty awful, and I was exhausted when we got where we were going. It’s also a pretty long drive from Texas to Florida, but thank God we stopped in Louisiana. I wouldn’t have been able to LIVE through it if we hadnt, the whole drive without stopping would have been 12 hours!