There are
1,368 mi
from Broomfield, CO to Eureka, CA
That's the driving distance. It would take 1 day to go from Broomfield, Colorado to Eureka, California.
The flight distance (direct flight from Broomfield, CO to Eureka, CA) is 1,004.22 mi.
1,368 mi = 2,202.19 kms