There are
1,253 mi
from Warwick, RI to Marshalltown, IA
That's the driving distance. It would take 23 hours 47 mins to go from Warwick, Rhode Island to Marshalltown, Iowa.
The flight distance (direct flight from Warwick, RI to Marshalltown, IA) is 1,103.04 mi.
1,253 mi = 1.61 kms