There are
1,682 mi
from Fremont, CA to Lewisville, TX
That's the driving distance. It would take 1 day 5 hours to go from Fremont, California to Lewisville, Texas.
The flight distance (direct flight from Fremont, CA to Lewisville, TX) is 1,438.83 mi.
1,682 mi = 2,706.46 kms