There are
1,337 mi
from Salt Lake City, UT to Dekalb, IL
That's the driving distance. It would take 23 hours 2 mins to go from Salt Lake City, Utah to Dekalb, Illinois.
The flight distance (direct flight from Salt Lake City, UT to Dekalb, IL) is 1,199.40 mi.
1,337 mi = 1.61 kms