There are
122 mi
from Davenport, IA to Sycamore, IL
That's the driving distance. It would take 2 hours 23 mins to go from Davenport, Iowa to Sycamore, Illinois.
The flight distance (direct flight from Davenport, IA to Sycamore, IL) is 102.62 mi.
122 mi = 196.31 kms