| Union to Santa Venerina | 5,389.45 mi (8,673.49 km) |
| Union to Santeramo in Colle | 5,318.47 mi (8,559.25 km) |
| Union to Santo Stefano di Magra | 4,900.44 mi (7,886.50 km) |
| Union to Santo Stino di Livenza | 4,945.90 mi (7,959.65 km) |
| Union to Sarezzo | 4,852.27 mi (7,808.97 km) |
| Union to Sarno | 5,230.92 mi (8,418.36 km) |
| Union to Saronno | 4,807.18 mi (7,736.41 km) |
| Union to Sarzana | 4,904.22 mi (7,892.57 km) |
| Union to Sassari | 4,982.59 mi (8,018.70 km) |
| Union to Sasso Marconi | 4,944.33 mi (7,957.14 km) |
| Union to Sassuolo | 4,919.66 mi (7,917.42 km) |
| Union to Sava | 5,368.34 mi (8,639.51 km) |
| Union to Saviano | 5,222.52 mi (8,404.84 km) |
| Union to Savigliano | 4,788.75 mi (7,706.76 km) |
| Union to Savignano sul Panaro | 4,932.31 mi (7,937.78 km) |
