Des Moines to Dallas is 932 miles.
Mason City to Brownsville is 1398 miles.
http://maps.google.com/Choose "Get Directions"
It is 780 miles according to Google Maps.
It is 1,243 miles according to Google Maps.
The flight distance from Texas (TX) to Iowa (IA) is: 791 miles / 1,272 km
About 71 miles.
863 miles
It is 113.63 miles.
36 miles
It is 785.43 miles according to MapQuest.
About 1,060 miles.
176 Miles
Iowa, USA - Land area: 55,869.36 square miles.