| Potomac to Roznava | 4,573.58 mi (7,360.46 km) |
| Potomac to Ruzomberok | 4,511.10 mi (7,259.91 km) |
| Potomac to Sabinov | 4,578.02 mi (7,367.62 km) |
| Potomac to Sal'a | 4,488.99 mi (7,224.33 km) |
| Potomac to Samorin | 4,471.07 mi (7,195.50 km) |
| Potomac to Senec | 4,467.70 mi (7,190.07 km) |
| Potomac to Senica | 4,450.01 mi (7,161.60 km) |
| Potomac to Sered' | 4,478.28 mi (7,207.09 km) |
| Potomac to Skalica | 4,438.82 mi (7,143.60 km) |
| Potomac to Smizany | 4,562.44 mi (7,342.54 km) |
| Potomac to Snina | 4,623.07 mi (7,440.12 km) |
| Potomac to Spisska Nova Ves | 4,564.34 mi (7,345.59 km) |
| Potomac to Stara L'ubovna | 4,554.98 mi (7,330.54 km) |
| Potomac to Stara Tura | 4,459.49 mi (7,176.85 km) |
| Potomac to Stropkov | 4,595.74 mi (7,396.13 km) |
