| Potomac to Seymour (Tennessee) | 420.46 mi (676.67 km) |
| Potomac to Shady Hills (Florida) | 794.60 mi (1,278.78 km) |
| Potomac to Shafter (California) | 2,302.82 mi (3,706.03 km) |
| Potomac to Shaker Heights (Ohio) | 285.69 mi (459.78 km) |
| Potomac to Shakopee (Minnesota) | 924.99 mi (1,488.63 km) |
| Potomac to Sharon (Pennsylvania) | 232.40 mi (374.01 km) |
| Potomac to Sharonville (Ohio) | 386.82 mi (622.53 km) |
| Potomac to Shasta Lake (California) | 2,373.00 mi (3,818.98 km) |
| Potomac to Shawnee (Kansas) | 944.07 mi (1,519.34 km) |
| Potomac to Shawnee (Oklahoma) | 1,114.88 mi (1,794.23 km) |
| Potomac to Sheboygan (Wisconsin) | 635.74 mi (1,023.12 km) |
| Potomac to Shelby (North Carolina) | 351.48 mi (565.65 km) |
| Potomac to Shelbyville (Indiana) | 460.41 mi (740.97 km) |
| Potomac to Shelbyville (Kentucky) | 437.23 mi (703.65 km) |
| Potomac to Shelbyville (Tennessee) | 563.69 mi (907.17 km) |
