The driving distance between Dallas, TX and Memphis, TN is approximately 450 miles. The driving time would be approximately 7 hours if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work, border crossings and rush hour traffic in urban areas.)
roughly 2 hours
53 seconds
a long time
about 13 hours non stop
21/2 to 3 hours
About 19.5 hours.
Six hours
13 hours
52 hours
8 hours 52 mins
7 hours
20 to 21 hours