| Potomac to Wayne (Michigan) | 395.13 mi (635.89 km) |
| Potomac to Waynesboro (Pennsylvania) | 55.06 mi (88.61 km) |
| Potomac to Waynesboro (Virginia) | 113.09 mi (182.00 km) |
| Potomac to Weatherford (Oklahoma) | 1,202.73 mi (1,935.60 km) |
| Potomac to Weatherford (Texas) | 1,227.10 mi (1,974.82 km) |
| Potomac to Webb City (Missouri) | 946.87 mi (1,523.85 km) |
| Potomac to Webster (Texas) | 1,211.68 mi (1,950.02 km) |
| Potomac to Webster Groves (Missouri) | 708.63 mi (1,140.42 km) |
| Potomac to Weddington (North Carolina) | 337.98 mi (543.92 km) |
| Potomac to Weigelstown (Pennsylvania) | 69.84 mi (112.40 km) |
| Potomac to Weirton (West Virginia) | 203.42 mi (327.37 km) |
| Potomac to Wekiwa Springs (Florida) | 752.70 mi (1,211.35 km) |
| Potomac to Welby (Colorado) | 1,477.28 mi (2,377.46 km) |
| Potomac to Wellington (Colorado) | 1,473.50 mi (2,371.37 km) |
| Potomac to Wellington (Florida) | 872.84 mi (1,404.70 km) |
