Distance between Castro Valley and Union City
Distance from Castro Valley, CA to Union City, CA is 8 miles / 12 kilometers.
Map showing the distance from Castro Valley to Union City
 |
Air distance: | miles km |
Castro Valley, CA
| City: | Castro Valley, CA |
| Country: | United States |
Union City, CA
| City: | Union City, CA |
| Country: | United States |
Time difference between Castro Valley and Union City
There is no time difference between Castro Valley and Union City. Current local time in Castro Valley and Union City is 17:49 PST (2025-02-17)