There are
2,793 mi
from Walnut Creek, CA to Takoma Park, MD
That's the driving distance. It would take 2 days 1 hour to go from Walnut Creek, California to Takoma Park, Maryland.
The flight distance (direct flight from Walnut Creek, CA to Takoma Park, MD) is 2,414.23 mi.
2,793 mi = 4,494.74 kms