There are
2,926 mi
from Highland Park, NJ to Menlo Park, CA
That's the driving distance. It would take 2 days 3 hours to go from Highland Park, New Jersey to Menlo Park, California.
The flight distance (direct flight from Highland Park, NJ to Menlo Park, CA) is 2,542.54 mi.
2,926 mi = 4,709.56 kms