| Portage to Sestu | 4,681.06 mi (7,533.43 km) |
| Portage to Settimo Torinese | 4,390.61 mi (7,066.01 km) |
| Portage to Seveso | 4,425.40 mi (7,121.99 km) |
| Portage to Sezze | 4,753.81 mi (7,650.51 km) |
| Portage to Siano | 4,850.02 mi (7,805.35 km) |
| Portage to Siena | 4,607.09 mi (7,414.39 km) |
| Portage to Signa | 4,578.61 mi (7,368.57 km) |
| Portage to Silea | 4,548.96 mi (7,320.85 km) |
| Portage to Silvi Paese | 4,751.09 mi (7,646.14 km) |
| Portage to Sinalunga | 4,627.47 mi (7,447.20 km) |
| Portage to Siniscola | 4,653.60 mi (7,489.25 km) |
| Portage to Sinnai | 4,685.67 mi (7,540.85 km) |
| Portage to Siracusa | 5,039.77 mi (8,110.73 km) |
| Portage to Solaro | 4,424.40 mi (7,120.38 km) |
| Portage to Soliera | 4,532.56 mi (7,294.45 km) |
