| Potomac to Watervliet (New York) | 314.45 mi (506.05 km) |
| Potomac to Watsonville (California) | 2,408.06 mi (3,875.40 km) |
| Potomac to Wauconda (Illinois) | 615.70 mi (990.88 km) |
| Potomac to Waukee (Iowa) | 895.97 mi (1,441.92 km) |
| Potomac to Waukegan (Illinois) | 604.96 mi (973.59 km) |
| Potomac to Waukesha (Wisconsin) | 638.21 mi (1,027.11 km) |
| Potomac to Waunakee (Wisconsin) | 698.97 mi (1,124.88 km) |
| Potomac to Waupun (Wisconsin) | 677.79 mi (1,090.80 km) |
| Potomac to Wausau (Wisconsin) | 758.83 mi (1,221.22 km) |
| Potomac to Wauwatosa (Wisconsin) | 629.71 mi (1,013.42 km) |
| Potomac to Waverly (Iowa) | 836.94 mi (1,346.93 km) |
| Potomac to Waverly (Michigan) | 465.97 mi (749.91 km) |
| Potomac to Waxahachie (Texas) | 1,190.16 mi (1,915.38 km) |
| Potomac to Waxhaw (North Carolina) | 343.11 mi (552.18 km) |
| Potomac to Waycross (Georgia) | 612.79 mi (986.20 km) |
