| Os to Santa Venerina | 1,614.15 mi (2,597.72 km) |
| Os to Santeramo in Colle | 1,426.34 mi (2,295.47 km) |
| Os to Santo Stefano di Magra | 1,125.13 mi (1,810.72 km) |
| Os to Santo Stino di Livenza | 1,043.85 mi (1,679.92 km) |
| Os to Sarezzo | 1,025.55 mi (1,650.47 km) |
| Os to Sarno | 1,396.85 mi (2,248.02 km) |
| Os to Saronno | 1,019.34 mi (1,640.46 km) |
| Os to Sarzana | 1,128.78 mi (1,816.60 km) |
| Os to Sassari | 1,353.78 mi (2,178.70 km) |
| Os to Sasso Marconi | 1,119.36 mi (1,801.44 km) |
| Os to Sassuolo | 1,105.08 mi (1,778.46 km) |
| Os to Sava | 1,464.66 mi (2,357.14 km) |
| Os to Saviano | 1,388.94 mi (2,235.28 km) |
| Os to Savigliano | 1,079.95 mi (1,738.00 km) |
| Os to Savignano sul Panaro | 1,111.82 mi (1,789.29 km) |
