There are
1,712 mi
from Lewisville, TX to Susanville, CA
That's the driving distance. It would take 1 day 7 hours to go from Lewisville, Texas to Susanville, California.
The flight distance (direct flight from Lewisville, TX to Susanville, CA) is 1,400.19 mi.
1,712 mi = 1.61 kms