There are
2,711 mi
from Roanoke, VA to Los Altos, CA
That's the driving distance. It would take 1 day 23 hours to go from Roanoke, Virginia to Los Altos, California.
The flight distance (direct flight from Roanoke, VA to Los Altos, CA) is 2,297.18 mi.
2,711 mi = 4,362.74 kms