Q: How many hours, or even days?
A: which illinois are we talking about here, there are 5 illinois in the USA. If you mean illinois city IL. then here's mapquest answer for ya: Total Estimated Time: 12.0 hours 42 minutes Total Estimated Distance: 804.71 miles Illinois Bend, TX Montague County Illinois City, IL Rock Island County Illinois Camp, NM Eddy County Illinois Grove, IA Marshall County Illinois Plant, LA Jefferson Davis Parish