Miles between San Mateo, CA and Union, NJ

There are
2,912 mi
from San Mateo, CA to Union, NJ

That's the driving distance. It would take 2 days 3 hours to go from San Mateo, California to Union, New Jersey.

The flight distance (direct flight from San Mateo, CA to Union, NJ) is 2,552.95 mi.

2,912 mi = 3.22 kms