| San Mateo to Watervliet (New York) | 2,556.47 mi (4,114.25 km) |
| San Mateo to Watsonville (California) | 52.83 mi (85.02 km) |
| San Mateo to Wauconda (Illinois) | 1,827.68 mi (2,941.37 km) |
| San Mateo to Waukee (Iowa) | 1,532.19 mi (2,465.82 km) |
| San Mateo to Waukegan (Illinois) | 1,841.04 mi (2,962.86 km) |
| San Mateo to Waukesha (Wisconsin) | 1,821.64 mi (2,931.64 km) |
| San Mateo to Waunakee (Wisconsin) | 1,761.38 mi (2,834.66 km) |
| San Mateo to Waupun (Wisconsin) | 1,797.75 mi (2,893.21 km) |
| San Mateo to Wausau (Wisconsin) | 1,758.79 mi (2,830.50 km) |
| San Mateo to Wauwatosa (Wisconsin) | 1,832.35 mi (2,948.88 km) |
| San Mateo to Waverly (Iowa) | 1,607.29 mi (2,586.68 km) |
| San Mateo to Waverly (Michigan) | 2,004.80 mi (3,226.42 km) |
| San Mateo to Waxahachie (Texas) | 1,480.03 mi (2,381.88 km) |
| San Mateo to Waxhaw (North Carolina) | 2,304.58 mi (3,708.86 km) |
| San Mateo to Waycross (Georgia) | 2,302.34 mi (3,705.25 km) |
