There are
890 mi
from Arvada, CO to Kewanee, IL
That's the driving distance. It would take 15 hours 39 mins to go from Arvada, Colorado to Kewanee, Illinois.
The flight distance (direct flight from Arvada, CO to Kewanee, IL) is 801.49 mi.
890 mi = 1,431.72 kms