There are
2,636 mi
from Rancho Cucamonga, CA to Takoma Park, MD
That's the driving distance. It would take 1 day 22 hours to go from Rancho Cucamonga, California to Takoma Park, Maryland.
The flight distance (direct flight from Rancho Cucamonga, CA to Takoma Park, MD) is 2,259.12 mi.
2,636 mi = 4,241.91 kms