Miles between Clayton, MO and Downey, CA

There are
1,821 mi
from Clayton, MO to Downey, CA

That's the driving distance. It would take 1 day 7 hours to go from Clayton, Missouri to Downey, California.

The flight distance (direct flight from Clayton, MO to Downey, CA) is 1,576.02 mi.

1,821 mi = 2,930.85 kms