There are
151 mi
from Davenport, IA to Algonquin, IL
That's the driving distance. It would take 3 hours 10 mins to go from Davenport, Iowa to Algonquin, Illinois.
The flight distance (direct flight from Davenport, IA to Algonquin, IL) is 125.61 mi.
151 mi = 243.36 kms