| Alton to Santa Venerina | 1,218.39 mi (1,960.81 km) |
| Alton to Santeramo in Colle | 1,107.23 mi (1,781.92 km) |
| Alton to Santo Stefano di Magra | 698.67 mi (1,124.40 km) |
| Alton to Santo Stino di Livenza | 727.76 mi (1,171.22 km) |
| Alton to Sarezzo | 637.06 mi (1,025.24 km) |
| Alton to Sarno | 1,030.54 mi (1,658.49 km) |
| Alton to Saronno | 596.42 mi (959.85 km) |
| Alton to Sarzana | 702.67 mi (1,130.83 km) |
| Alton to Sassari | 852.00 mi (1,371.16 km) |
| Alton to Sasso Marconi | 733.09 mi (1,179.80 km) |
| Alton to Sassuolo | 709.34 mi (1,141.57 km) |
| Alton to Sava | 1,156.22 mi (1,860.76 km) |
| Alton to Saviano | 1,021.90 mi (1,644.58 km) |
| Alton to Savigliano | 599.83 mi (965.33 km) |
| Alton to Savignano sul Panaro | 721.40 mi (1,160.98 km) |
