| Somma Lombardo to Santa Venerina | 644.26 mi (1,036.84 km) |
| Somma Lombardo to Santeramo in Colle | 527.44 mi (848.84 km) |
| Somma Lombardo to Santo Stefano di Magra | 120.72 mi (194.28 km) |
| Somma Lombardo to Santo Stino di Livenza | 192.20 mi (309.32 km) |
| Somma Lombardo to Sarezzo | 72.46 mi (116.62 km) |
| Somma Lombardo to Sarno | 448.88 mi (722.40 km) |
| Somma Lombardo to Saronno | 16.76 mi (26.97 km) |
| Somma Lombardo to Sarzana | 124.76 mi (200.78 km) |
| Somma Lombardo to Sassari | 342.54 mi (551.27 km) |
| Somma Lombardo to Sasso Marconi | 152.83 mi (245.95 km) |
| Somma Lombardo to Sassuolo | 128.26 mi (206.42 km) |
| Somma Lombardo to Sava | 577.07 mi (928.71 km) |
| Somma Lombardo to Saviano | 440.23 mi (708.48 km) |
| Somma Lombardo to Savigliano | 88.30 mi (142.11 km) |
| Somma Lombardo to Savignano sul Panaro | 140.82 mi (226.62 km) |
