There are
1,020 mi
from Rowlett, TX to Waunakee, WI
That's the driving distance. It would take 18 hours 31 mins to go from Rowlett, Texas to Waunakee, Wisconsin.
The flight distance (direct flight from Rowlett, TX to Waunakee, WI) is 808.55 mi.
1,020 mi = 1,642.25 kms