| Potomac to Washington (Indiana) | 536.59 mi (863.57 km) |
| Potomac to Washington (Missouri) | 744.38 mi (1,197.96 km) |
| Potomac to Washington (Pennsylvania) | 181.18 mi (291.58 km) |
| Potomac to Washington (Utah) | 1,965.32 mi (3,162.87 km) |
| Potomac to Washington Court House (Ohio) | 335.31 mi (539.63 km) |
| Potomac to Washougal (Washington) | 2,319.92 mi (3,733.55 km) |
| Potomac to Watauga (Texas) | 1,196.38 mi (1,925.39 km) |
| Potomac to Waterbury (Connecticut) | 280.89 mi (452.04 km) |
| Potomac to Waterloo (Illinois) | 699.99 mi (1,126.52 km) |
| Potomac to Waterloo (Iowa) | 827.63 mi (1,331.95 km) |
| Potomac to Watertown (New York) | 349.03 mi (561.72 km) |
| Potomac to Watertown (South Dakota) | 1,099.76 mi (1,769.89 km) |
| Potomac to Watertown (Wisconsin) | 665.43 mi (1,070.91 km) |
| Potomac to Watertown Town (Massachusetts) | 391.14 mi (629.49 km) |
| Potomac to Waterville (Maine) | 544.15 mi (875.72 km) |
