| Cascais to Santa Venerina | 1,331.02 mi (2,142.07 km) |
| Cascais to Santeramo in Colle | 1,393.24 mi (2,242.20 km) |
| Cascais to Santo Stefano di Magra | 1,067.06 mi (1,717.26 km) |
| Cascais to Santo Stino di Livenza | 1,225.67 mi (1,972.53 km) |
| Cascais to Sarezzo | 1,109.42 mi (1,785.43 km) |
| Cascais to Sarno | 1,280.83 mi (2,061.30 km) |
| Cascais to Saronno | 1,055.90 mi (1,699.31 km) |
| Cascais to Sarzana | 1,068.40 mi (1,719.43 km) |
| Cascais to Sassari | 963.88 mi (1,551.22 km) |
| Cascais to Sasso Marconi | 1,135.09 mi (1,826.76 km) |
| Cascais to Sassuolo | 1,115.32 mi (1,794.94 km) |
| Cascais to Sava | 1,436.75 mi (2,312.23 km) |
| Cascais to Saviano | 1,275.47 mi (2,052.67 km) |
| Cascais to Savigliano | 968.69 mi (1,558.96 km) |
| Cascais to Savignano sul Panaro | 1,126.03 mi (1,812.16 km) |
