| San Mateo to Worthington (Ohio) | 2,105.12 mi (3,387.86 km) |
| San Mateo to Wright (Florida) | 2,088.12 mi (3,360.50 km) |
| San Mateo to Wyandanch (New York) | 2,597.99 mi (4,181.06 km) |
| San Mateo to Wyandotte (Michigan) | 2,082.28 mi (3,351.11 km) |
| San Mateo to Wylie (Texas) | 1,482.83 mi (2,386.38 km) |
| San Mateo to Wyndham (Virginia) | 2,422.28 mi (3,898.28 km) |
| San Mateo to Wyoming (Michigan) | 1,950.16 mi (3,138.49 km) |
| San Mateo to Wyomissing (Pennsylvania) | 2,469.32 mi (3,973.99 km) |
| San Mateo to Xenia (Ohio) | 2,060.88 mi (3,316.67 km) |
| San Mateo to Yakima (Washington) | 631.07 mi (1,015.61 km) |
| San Mateo to Yankton (South Dakota) | 1,359.77 mi (2,188.34 km) |
| San Mateo to Yauco (Puerto Rico) | 3,590.10 mi (5,777.71 km) |
| San Mateo to Yazoo City (Mississippi) | 1,821.07 mi (2,930.73 km) |
| San Mateo to Yeadon (Pennsylvania) | 2,511.91 mi (4,042.52 km) |
| San Mateo to Yelm (Washington) | 648.82 mi (1,044.17 km) |
