How far is it from Union City, CA to Redwood City, CA?

The distance between Union City, CA and Redwood City, CA is 28 km by road.

How long does it take to drive from Union City, CA to Redwood City, CA?

The drive from Union City, CA to Redwood City, CA takes approximately 30 min by car.

The fastest route from Union City, CA to Redwood City, CA covers 28 km with a driving time of approximately 30 min.

Redwood City, CA lies roughly to the south-west of Union City, CA.

Distance: 28 kmDrive time: 30 min

Driving from Union City, CA to Redwood City, CA takes about 30 min via CA 84. The distance is 28 km. The straight-line distance is 22 km. Driving directions

Driving directions14 · 28 km

The return trip from Redwood City, CA to Union City, CA covers roughly the same distance, 28 km.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 5 October 2026.

How far is it from Union City, CA to Redwood City, CA?: The distance between Union City, CA and Redwood City, CA is 28 km by road.
How long does it take to drive from Union City, CA to Redwood City, CA?: The drive from Union City, CA to Redwood City, CA takes approximately 30 min by car.
What is the best route from Union City, CA to Redwood City, CA?: The fastest route from Union City, CA to Redwood City, CA covers 28 km with a driving time of approximately 30 min.
Which direction is Redwood City, CA from Union City, CA?: Redwood City, CA lies roughly to the south-west of Union City, CA.