The two crossword solutions for the term 'city south of Dallas' are Ennis (5 letters) and Waco (4 letters). Ennis is a city in Ellis County, Texas, located about 40 miles south of Dallas. It is known for its annual National Polka Festival and its historic downtown. Waco is a city in McLennan County, Texas, located about 90 miles south of Dallas. It is home to Baylor University and the Dr Pepper Museum.