From San Francisco / Daly City

- 280 South (or 101 South)
- 85 South
- Exit Union Avenue
- Left on Samaritan Dr.
- Left on Union Ave. GKI-SJ will be on your left.

From Oakland / Fremont

- 880 South
- 17 South (880 becomes 17 after passing junction 280)
- Exit on Camden/San Tomas Expressway
- Left on Camden
- Left on Union Ave. GKI-SJ will be on your left.