There are
1,123 mi
from Dekalb, IL to Lubbock, TX
That's the driving distance. It would take 20 hours 11 mins to go from Dekalb, Illinois to Lubbock, Texas.
The flight distance (direct flight from Dekalb, IL to Lubbock, TX) is 917.65 mi.
1,123 mi = 1,807.43 kms