| Sierre to Santa Venerina | 711.11 mi (1,144.43 km) |
| Sierre to Santeramo in Colle | 597.81 mi (962.08 km) |
| Sierre to Santo Stefano di Magra | 187.71 mi (302.09 km) |
| Sierre to Santo Stino di Livenza | 250.14 mi (402.57 km) |
| Sierre to Sarezzo | 135.69 mi (218.37 km) |
| Sierre to Sarno | 518.55 mi (834.52 km) |
| Sierre to Saronno | 85.95 mi (138.32 km) |
| Sierre to Sarzana | 191.75 mi (308.59 km) |
| Sierre to Sassari | 388.48 mi (625.20 km) |
| Sierre to Sasso Marconi | 223.13 mi (359.09 km) |
| Sierre to Sassuolo | 198.63 mi (319.66 km) |
| Sierre to Sava | 647.42 mi (1,041.92 km) |
| Sierre to Saviano | 509.90 mi (820.61 km) |
| Sierre to Savigliano | 114.11 mi (183.64 km) |
| Sierre to Savignano sul Panaro | 211.14 mi (339.80 km) |
