There are
2,731 mi
from Rockville, MD to Lemoore, CA
That's the driving distance. It would take 2 days to go from Rockville, Maryland to Lemoore, California.
The flight distance (direct flight from Rockville, MD to Lemoore, CA) is 2,317.35 mi.
2,731 mi = 4,394.98 kms