What is the distance between dumas Tx and Houston tx?

Answer 1

645 miles taking this route:

1. Follow U.S. 287 SOUTH from Dumas all the way down to I-45 SOUTH to HOUSTON near Ennis, which is south of Dallas. To bypass AMARILLO, take LOOP 335 (St. Francis Ave) (EXIT off U.S. 287 onto LOOP 335, TURN LEFT off the exit ramp onto LOOP 335 WEST ; take LOOP 335 EAST & SOUTH around Amarillo back to U.S. 287, turn left onto U.S. 287 SOUTH).
2. Take I-45 SOUTH to Houston.