| San Mateo to San Luis (Arizona) | 554.05 mi (891.66 km) |
| San Mateo to San Luis Obispo (California) | 182.42 mi (293.58 km) |
| San Mateo to San Marcos (California) | 420.56 mi (676.82 km) |
| San Mateo to San Marcos (Texas) | 1,492.72 mi (2,402.30 km) |
| San Mateo to San Marino (California) | 333.80 mi (537.20 km) |
| San Mateo to San Pablo (California) | 28.43 mi (45.75 km) |
| San Mateo to San Rafael (California) | 32.38 mi (52.11 km) |
| San Mateo to San Ramon (California) | 25.16 mi (40.49 km) |
| San Mateo to San Tan Valley (Arizona) | 676.26 mi (1,088.33 km) |
| San Mateo to Sand Springs (Oklahoma) | 1,446.43 mi (2,327.80 km) |
| San Mateo to Sandusky (Ohio) | 2,110.28 mi (3,396.18 km) |
| San Mateo to Sandy (Oregon) | 542.15 mi (872.51 km) |
| San Mateo to Sandy (Utah) | 598.28 mi (962.83 km) |
| San Mateo to Sandy Springs (Georgia) | 2,127.88 mi (3,424.49 km) |
| San Mateo to Sanford (Florida) | 2,428.91 mi (3,908.95 km) |
