Based on the distances between the cities, the answer to this question will be 185 miles.
Distance between Dallas and Omaha - 644 miles
Distance between Chicago and Omaha - 459 miles
= Distance between Dallas and Omaha - Distance between Chicago and Omaha
= 644 - 459
= 185 miles
In conclusion, it is 185 miles which is One Hundred and Eighty Five miles.
Find out more on distances at https://brainly.com/question/6276789.