Miles between Napa, CA and Watertown, SD

There are
1,772 mi
from Napa, CA to Watertown, SD

That's the driving distance. It would take 1 day 6 hours to go from Napa, California to Watertown, South Dakota.

The flight distance (direct flight from Napa, CA to Watertown, SD) is 1,371.94 mi.

1,772 mi = 1.61 kms