| Potomac to Saint Ives | 3,650.29 mi (5,874.58 km) |
| Potomac to Saint Ives | 3,470.42 mi (5,585.10 km) |
| Potomac to Saint Neots | 3,644.78 mi (5,865.71 km) |
| Potomac to Sale | 3,538.77 mi (5,695.09 km) |
| Potomac to Salford | 3,538.80 mi (5,695.15 km) |
| Potomac to Salisbury | 3,607.50 mi (5,805.72 km) |
| Potomac to Saltash | 3,520.15 mi (5,665.13 km) |
| Potomac to Saltcoats | 3,405.69 mi (5,480.92 km) |
| Potomac to Sandbach | 3,542.24 mi (5,700.68 km) |
| Potomac to Sanderstead | 3,671.90 mi (5,909.35 km) |
| Potomac to Sandhurst | 3,642.23 mi (5,861.60 km) |
| Potomac to Sandiacre | 3,589.48 mi (5,776.70 km) |
| Potomac to Sandown | 3,642.83 mi (5,862.56 km) |
| Potomac to Sandridge | 3,653.06 mi (5,879.04 km) |
| Potomac to Sandy | 3,645.77 mi (5,867.30 km) |
