Miles between Boulder, CO and Oceanside, CA

There are
1,061 mi
from Boulder, CO to Oceanside, CA

That's the driving distance. It would take 18 hours 47 mins to go from Boulder, Colorado to Oceanside, California.

The flight distance (direct flight from Boulder, CO to Oceanside, CA) is 819.14 mi.

1,061 mi = 1.61 kms