| Potomac to Winder (Georgia) | 501.57 mi (807.20 km) |
| Potomac to Windsor (California) | 2,430.79 mi (3,911.97 km) |
| Potomac to Windsor (Colorado) | 1,470.38 mi (2,366.35 km) |
| Potomac to Winfield (Kansas) | 1,078.07 mi (1,734.99 km) |
| Potomac to Winnetka (Illinois) | 592.96 mi (954.27 km) |
| Potomac to Winona (Minnesota) | 824.02 mi (1,326.14 km) |
| Potomac to Winston-Salem (North Carolina) | 262.02 mi (421.68 km) |
| Potomac to Winter Garden (Florida) | 766.17 mi (1,233.03 km) |
| Potomac to Winter Gardens (California) | 2,245.36 mi (3,613.57 km) |
| Potomac to Winter Haven (Florida) | 803.00 mi (1,292.30 km) |
| Potomac to Winter Park (Florida) | 757.79 mi (1,219.54 km) |
| Potomac to Winter Springs (Florida) | 750.53 mi (1,207.85 km) |
| Potomac to Winterville (North Carolina) | 241.06 mi (387.94 km) |
| Potomac to Winton (California) | 2,337.94 mi (3,762.56 km) |
| Potomac to Wisconsin Rapids (Wisconsin) | 748.94 mi (1,205.30 km) |
