| Potomac to South Fulton (Georgia) | 554.23 mi (891.94 km) |
| Potomac to South Gate (California) | 2,285.00 mi (3,677.35 km) |
| Potomac to South Hill (Washington) | 2,309.80 mi (3,717.27 km) |
| Potomac to South Holland (Illinois) | 576.28 mi (927.43 km) |
| Potomac to South Houston (Texas) | 1,211.52 mi (1,949.75 km) |
| Potomac to South Huntington (New York) | 237.05 mi (381.49 km) |
| Potomac to South Jordan (Utah) | 1,837.91 mi (2,957.84 km) |
| Potomac to South Lake Tahoe (California) | 2,276.52 mi (3,663.70 km) |
| Potomac to South Laurel (Maryland) | 18.98 mi (30.55 km) |
| Potomac to South Lyon (Michigan) | 413.38 mi (665.28 km) |
| Potomac to South Miami (Florida) | 936.84 mi (1,507.69 km) |
| Potomac to South Miami Heights (Florida) | 945.97 mi (1,522.39 km) |
| Potomac to South Milwaukee (Wisconsin) | 617.72 mi (994.13 km) |
| Potomac to South Ogden (Utah) | 1,831.27 mi (2,947.15 km) |
| Potomac to South Pasadena (California) | 2,279.05 mi (3,667.77 km) |
