| North Potomac to Santa Venerina | 4,760.14 mi (7,660.71 km) |
| North Potomac to Santeramo in Colle | 4,713.59 mi (7,585.79 km) |
| North Potomac to Santo Stefano di Magra | 4,294.83 mi (6,911.87 km) |
| North Potomac to Santo Stino di Livenza | 4,360.24 mi (7,017.13 km) |
| North Potomac to Sarezzo | 4,258.06 mi (6,852.68 km) |
| North Potomac to Sarno | 4,618.66 mi (7,433.01 km) |
| North Potomac to Saronno | 4,209.20 mi (6,774.06 km) |
| North Potomac to Sarzana | 4,298.41 mi (6,917.62 km) |
| North Potomac to Sassari | 4,350.36 mi (7,001.23 km) |
| North Potomac to Sasso Marconi | 4,344.58 mi (6,991.93 km) |
| North Potomac to Sassuolo | 4,319.49 mi (6,951.54 km) |
| North Potomac to Sava | 4,763.83 mi (7,666.64 km) |
| North Potomac to Saviano | 4,610.54 mi (7,419.95 km) |
| North Potomac to Savigliano | 4,179.60 mi (6,726.42 km) |
| North Potomac to Savignano sul Panaro | 4,332.45 mi (6,972.40 km) |
