| Potomac to Santa Rosa (California) | 2,427.24 mi (3,906.27 km) |
| Potomac to Santaquin (Utah) | 1,834.42 mi (2,952.21 km) |
| Potomac to Santee (California) | 2,248.02 mi (3,617.85 km) |
| Potomac to Sapulpa (Oklahoma) | 1,054.73 mi (1,697.43 km) |
| Potomac to Saraland (Alabama) | 835.49 mi (1,344.59 km) |
| Potomac to Sarasota (Florida) | 863.51 mi (1,389.69 km) |
| Potomac to Sarasota Springs (Florida) | 864.07 mi (1,390.59 km) |
| Potomac to Saratoga (California) | 2,414.41 mi (3,885.62 km) |
| Potomac to Saratoga Springs (New York) | 331.80 mi (533.98 km) |
| Potomac to Saratoga Springs (Utah) | 1,836.76 mi (2,955.98 km) |
| Potomac to Sartell (Minnesota) | 979.53 mi (1,576.40 km) |
| Potomac to Satellite Beach (Florida) | 773.77 mi (1,245.27 km) |
| Potomac to Sauk Rapids (Minnesota) | 976.00 mi (1,570.72 km) |
| Potomac to Sault Ste. Marie (Michigan) | 630.96 mi (1,015.43 km) |
| Potomac to Savage (Minnesota) | 919.26 mi (1,479.41 km) |
