There are
1,684 mi
from North Las Vegas, NV to Dekalb, IL
That's the driving distance. It would take 1 day 5 hours to go from North Las Vegas, Nevada to Dekalb, Illinois.
The flight distance (direct flight from North Las Vegas, NV to Dekalb, IL) is 1,462.38 mi.
1,684 mi = 1.61 kms