Miles between Round Rock, TX and Foster City, CA

There are
1,764 mi
from Round Rock, TX to Foster City, CA

That's the driving distance. It would take 1 day 6 hours to go from Round Rock, Texas to Foster City, California.

The flight distance (direct flight from Round Rock, TX to Foster City, CA) is 1,484.74 mi.

1,764 mi = 1.61 kms