| San Mateo to Wichita (Kansas) | 1,362.36 mi (2,192.51 km) |
| San Mateo to Wichita Falls (Texas) | 1,353.71 mi (2,178.59 km) |
| San Mateo to Wickliffe (Ohio) | 2,172.54 mi (3,496.36 km) |
| San Mateo to Wildomar (California) | 393.02 mi (632.50 km) |
| San Mateo to Wildwood (Florida) | 2,389.26 mi (3,845.15 km) |
| San Mateo to Wildwood (Missouri) | 1,714.19 mi (2,758.73 km) |
| San Mateo to Wilkes-Barre (Pennsylvania) | 2,462.88 mi (3,963.62 km) |
| San Mateo to Wilkinsburg (Pennsylvania) | 2,265.67 mi (3,646.24 km) |
| San Mateo to Williamsburg (Virginia) | 2,477.57 mi (3,987.27 km) |
| San Mateo to Williamsport (Pennsylvania) | 2,403.45 mi (3,867.98 km) |
| San Mateo to Williamstown (New Jersey) | 2,529.65 mi (4,071.08 km) |
| San Mateo to Willimantic (Connecticut) | 2,643.75 mi (4,254.70 km) |
| San Mateo to Williston (North Dakota) | 1,192.02 mi (1,918.37 km) |
| San Mateo to Willmar (Minnesota) | 1,498.83 mi (2,412.13 km) |
| San Mateo to Willoughby (Ohio) | 2,175.35 mi (3,500.89 km) |
