There are
877 mi
from Tallahassee, FL to Rantoul, IL
That's the driving distance. It would take 16 hours 28 mins to go from Tallahassee, Florida to Rantoul, Illinois.
The flight distance (direct flight from Tallahassee, FL to Rantoul, IL) is 715.84 mi.
877 mi = 1,411.21 kms