| North Potomac to San Vendemiano | 4,340.43 mi (6,985.24 km) |
| North Potomac to San Vito al Tagliamento | 4,362.25 mi (7,020.36 km) |
| North Potomac to San Vito dei Normanni | 4,759.91 mi (7,660.34 km) |
| North Potomac to Sannicandro di Bari | 4,707.41 mi (7,575.85 km) |
| North Potomac to Sannicandro Garganico | 4,622.46 mi (7,439.13 km) |
| North Potomac to Sansepolcro | 4,411.43 mi (7,099.52 km) |
| North Potomac to Sant'Agata de' Goti | 4,603.31 mi (7,408.31 km) |
| North Potomac to Sant'Agata di Militello | 4,722.72 mi (7,600.49 km) |
| North Potomac to Sant'Agnello | 4,616.01 mi (7,428.75 km) |
| North Potomac to Sant'Ambrogio di Valpolicella | 4,289.36 mi (6,903.06 km) |
| North Potomac to Sant'Anastasia | 4,607.24 mi (7,414.64 km) |
| North Potomac to Sant'Angelo Lodigiano | 4,237.65 mi (6,819.83 km) |
| North Potomac to Sant'Antimo | 4,597.16 mi (7,398.42 km) |
| North Potomac to Sant'Antioco | 4,402.91 mi (7,085.81 km) |
| North Potomac to Sant'Antonio Abate | 4,618.81 mi (7,433.25 km) |
