| Secaucus to Sestu | 4,220.57 mi (6,792.35 km) |
| Secaucus to Settimo Torinese | 3,965.71 mi (6,382.19 km) |
| Secaucus to Seveso | 4,008.58 mi (6,451.19 km) |
| Secaucus to Sezze | 4,320.90 mi (6,953.82 km) |
| Secaucus to Siano | 4,418.25 mi (7,110.48 km) |
| Secaucus to Siena | 4,180.63 mi (6,728.08 km) |
| Secaucus to Signa | 4,154.65 mi (6,686.26 km) |
| Secaucus to Silea | 4,142.46 mi (6,666.65 km) |
| Secaucus to Silvi Paese | 4,328.87 mi (6,966.64 km) |
| Secaucus to Sinalunga | 4,201.66 mi (6,761.91 km) |
| Secaucus to Siniscola | 4,203.25 mi (6,764.47 km) |
| Secaucus to Sinnai | 4,225.57 mi (6,800.39 km) |
| Secaucus to Siracusa | 4,586.99 mi (7,382.05 km) |
| Secaucus to Solaro | 4,007.20 mi (6,448.96 km) |
| Secaucus to Soliera | 4,114.84 mi (6,622.20 km) |
