505 km
About 4 hours if traffic cooperates
It is 240 miles according to Google Maps.
About 12000 miles
514 miles
450 miles
About 508 miles.
Austin area
About 110 miles.
The driving distance from Dallas, Texas to Dumas, Texas is 408 miles.
It is 388.71 miles according to MapQuest.
Denton to Austin is 226 miles.