| San Mateo to Shoreview (Minnesota) | 1,590.71 mi (2,560.00 km) |
| San Mateo to Shorewood (Illinois) | 1,825.46 mi (2,937.79 km) |
| San Mateo to Shorewood (Wisconsin) | 1,839.84 mi (2,960.94 km) |
| San Mateo to Short Hills (New Jersey) | 2,548.62 mi (4,101.62 km) |
| San Mateo to Short Pump (Virginia) | 2,422.49 mi (3,898.62 km) |
| San Mateo to Show Low (Arizona) | 722.73 mi (1,163.12 km) |
| San Mateo to Shreveport (Louisiana) | 1,644.91 mi (2,647.22 km) |
| San Mateo to Sicklerville (New Jersey) | 2,528.04 mi (4,068.49 km) |
| San Mateo to Sidney (Ohio) | 2,043.40 mi (3,288.53 km) |
| San Mateo to Sierra Madre (California) | 333.99 mi (537.50 km) |
| San Mateo to Sierra Vista (Arizona) | 797.29 mi (1,283.11 km) |
| San Mateo to Sierra Vista Southeast (Arizona) | 806.44 mi (1,297.84 km) |
| San Mateo to Signal Hill (California) | 348.05 mi (560.14 km) |
| San Mateo to Sikeston (Missouri) | 1,791.97 mi (2,883.90 km) |
| San Mateo to Siloam Springs (Arkansas) | 1,532.92 mi (2,467.00 km) |
