There are
2,670 mi
from Bowie, MD to Walnut, CA
That's the driving distance. It would take 1 day 22 hours to go from Bowie, Maryland to Walnut, California.
The flight distance (direct flight from Bowie, MD to Walnut, CA) is 2,287.87 mi.
2,670 mi = 4,296.76 kms