| San Mateo to Waimea (Hawaii) | 2,335.17 mi (3,758.09 km) |
| San Mateo to Waipahu (Hawaii) | 2,400.27 mi (3,862.86 km) |
| San Mateo to Waipio (Hawaii) | 2,398.42 mi (3,859.89 km) |
| San Mateo to Wake Forest (North Carolina) | 2,404.88 mi (3,870.27 km) |
| San Mateo to Wakefield (Virginia) | 2,424.14 mi (3,901.27 km) |
| San Mateo to Waldorf (Maryland) | 2,444.28 mi (3,933.68 km) |
| San Mateo to Walker (Michigan) | 1,948.07 mi (3,135.12 km) |
| San Mateo to Walker Mill (Maryland) | 2,442.01 mi (3,930.03 km) |
| San Mateo to Walla Walla (Washington) | 622.71 mi (1,002.15 km) |
| San Mateo to Wallingford Center (Connecticut) | 2,616.39 mi (4,210.68 km) |
| San Mateo to Wallington (New Jersey) | 2,558.44 mi (4,117.42 km) |
| San Mateo to Walnut (California) | 348.32 mi (560.57 km) |
| San Mateo to Walnut Creek (California) | 28.40 mi (45.71 km) |
| San Mateo to Walnut Park (California) | 337.43 mi (543.04 km) |
| San Mateo to Waltham (Massachusetts) | 2,684.01 mi (4,319.49 km) |
