| Olgiate Olona to Settimo Torinese | 64.26 mi (103.42 km) |
| Olgiate Olona to Seveso | 12.30 mi (19.79 km) |
| Olgiate Olona to Sezze | 354.03 mi (569.76 km) |
| Olgiate Olona to Siano | 443.62 mi (713.94 km) |
| Olgiate Olona to Siena | 200.36 mi (322.44 km) |
| Olgiate Olona to Signa | 167.88 mi (270.17 km) |
| Olgiate Olona to Silea | 164.88 mi (265.34 km) |
| Olgiate Olona to Silvi Paese | 335.78 mi (540.38 km) |
| Olgiate Olona to Sinalunga | 218.27 mi (351.28 km) |
| Olgiate Olona to Siniscola | 351.94 mi (566.38 km) |
| Olgiate Olona to Sinnai | 437.71 mi (704.43 km) |
| Olgiate Olona to Siracusa | 678.04 mi (1,091.19 km) |
| Olgiate Olona to Solaro | 9.78 mi (15.73 km) |
| Olgiate Olona to Soliera | 117.07 mi (188.40 km) |
| Olgiate Olona to Solofra | 447.19 mi (719.68 km) |
