There are
1,124 mi
from Lubbock, TX to Dekalb, IL
That's the driving distance. It would take 20 hours 11 mins to go from Lubbock, Texas to Dekalb, Illinois.
The flight distance (direct flight from Lubbock, TX to Dekalb, IL) is 917.65 mi.
1,124 mi = 1.61 kms