There are
1,999 mi
from Bellevue, WA to Dekalb, IL
That's the driving distance. It would take 1 day 10 hours to go from Bellevue, Washington to Dekalb, Illinois.
The flight distance (direct flight from Bellevue, WA to Dekalb, IL) is 1,673.11 mi.
1,999 mi = 1.61 kms