Miles between Gaithersburg, MD and Half Moon Bay, CA

There are
2,818 mi
from Gaithersburg, MD to Half Moon Bay, CA

That's the driving distance. It would take 2 days 1 hour to go from Gaithersburg, Maryland to Half Moon Bay, California.

The flight distance (direct flight from Gaithersburg, MD to Half Moon Bay, CA) is 2,429.42 mi.

2,818 mi = 4,535.15 kms