There are
1,671 mi
from Mt Vernon, NY to Stephenville, TX
That's the driving distance. It would take 1 day 6 hours to go from Mt Vernon, New York to Stephenville, Texas.
The flight distance (direct flight from Mt Vernon, NY to Stephenville, TX) is 1,472.98 mi.
1,671 mi = 1.61 kms