There are
974 mi
from Stamford, CT to Bettendorf, IA
That's the driving distance. It would take 18 hours 16 mins to go from Stamford, Connecticut to Bettendorf, Iowa.
The flight distance (direct flight from Stamford, CT to Bettendorf, IA) is 878.36 mi.
974 mi = 1,568.29 kms