| Keystone to Santa Venerina | 5,444.25 mi (8,761.67 km) |
| Keystone to Santeramo in Colle | 5,423.55 mi (8,728.37 km) |
| Keystone to Santo Stefano di Magra | 5,009.18 mi (8,061.49 km) |
| Keystone to Santo Stino di Livenza | 5,090.98 mi (8,193.14 km) |
| Keystone to Sarezzo | 4,982.93 mi (8,019.25 km) |
| Keystone to Sarno | 5,322.64 mi (8,565.96 km) |
| Keystone to Saronno | 4,931.43 mi (7,936.37 km) |
| Keystone to Sarzana | 5,012.53 mi (8,066.89 km) |
| Keystone to Sassari | 5,036.63 mi (8,105.67 km) |
| Keystone to Sasso Marconi | 5,063.63 mi (8,149.12 km) |
| Keystone to Sassuolo | 5,038.46 mi (8,108.61 km) |
| Keystone to Sava | 5,473.55 mi (8,808.82 km) |
| Keystone to Saviano | 5,314.91 mi (8,553.52 km) |
| Keystone to Savigliano | 4,892.09 mi (7,873.06 km) |
| Keystone to Savignano sul Panaro | 5,051.54 mi (8,129.66 km) |
