There are
789 mi
from Mckinney, TX to Rantoul, IL
That's the driving distance. It would take 14 hours 40 mins to go from Mckinney, Texas to Rantoul, Illinois.
The flight distance (direct flight from Mckinney, TX to Rantoul, IL) is 679.04 mi.
789 mi = 1,270.20 kms