| Olgiate Olona to Somma Lombardo | 9.50 mi (15.29 km) |
| Olgiate Olona to Somma Vesuviana | 431.41 mi (694.29 km) |
| Olgiate Olona to Sommacampagna | 96.57 mi (155.41 km) |
| Olgiate Olona to Sona | 95.38 mi (153.50 km) |
| Olgiate Olona to Sondrio | 60.20 mi (96.88 km) |
| Olgiate Olona to Sora | 359.29 mi (578.21 km) |
| Olgiate Olona to Sorbolo | 93.57 mi (150.59 km) |
| Olgiate Olona to Soresina | 52.92 mi (85.17 km) |
| Olgiate Olona to Sorisole | 38.00 mi (61.16 km) |
| Olgiate Olona to Sorrento | 442.77 mi (712.57 km) |
| Olgiate Olona to Sorso | 334.42 mi (538.20 km) |
| Olgiate Olona to Sortino | 665.69 mi (1,071.33 km) |
| Olgiate Olona to Soverato Marina | 619.70 mi (997.31 km) |
| Olgiate Olona to Sovicille | 199.47 mi (321.01 km) |
| Olgiate Olona to Spello | 261.62 mi (421.03 km) |
