| Upper Montclair to Sestu | 4,224.69 mi (6,798.98 km) |
| Upper Montclair to Settimo Torinese | 3,969.14 mi (6,387.71 km) |
| Upper Montclair to Seveso | 4,011.87 mi (6,456.48 km) |
| Upper Montclair to Sezze | 4,324.52 mi (6,959.64 km) |
| Upper Montclair to Siano | 4,421.86 mi (7,116.29 km) |
| Upper Montclair to Siena | 4,184.12 mi (6,733.69 km) |
| Upper Montclair to Signa | 4,158.09 mi (6,691.80 km) |
| Upper Montclair to Silea | 4,145.59 mi (6,671.68 km) |
| Upper Montclair to Silvi Paese | 4,332.30 mi (6,972.16 km) |
| Upper Montclair to Sinalunga | 4,205.13 mi (6,767.51 km) |
| Upper Montclair to Siniscola | 4,207.17 mi (6,770.79 km) |
| Upper Montclair to Sinnai | 4,229.68 mi (6,807.01 km) |
| Upper Montclair to Siracusa | 4,591.01 mi (7,388.51 km) |
| Upper Montclair to Solaro | 4,010.49 mi (6,454.27 km) |
| Upper Montclair to Soliera | 4,118.16 mi (6,627.54 km) |
