There are
1,074 mi
from Pearland, TX to Dekalb, IL
That's the driving distance. It would take 19 hours 53 mins to go from Pearland, Texas to Dekalb, Illinois.
The flight distance (direct flight from Pearland, TX to Dekalb, IL) is 928.94 mi.
1,074 mi = 1.61 kms