| Cascais to Sanary-sur-Mer | 849.79 mi (1,367.60 km) |
| Cascais to Sannois | 915.58 mi (1,473.48 km) |
| Cascais to Saran | 853.20 mi (1,373.09 km) |
| Cascais to Sarcelles | 920.60 mi (1,481.56 km) |
| Cascais to Sarlat-la-Caneda | 693.95 mi (1,116.80 km) |
| Cascais to Sarrebourg | 1,071.68 mi (1,724.71 km) |
| Cascais to Sarreguemines | 1,087.05 mi (1,749.43 km) |
| Cascais to Sartrouville | 910.91 mi (1,465.97 km) |
| Cascais to Sarzeau | 695.35 mi (1,119.06 km) |
| Cascais to Sassenage | 893.77 mi (1,438.38 km) |
| Cascais to Saumur | 755.62 mi (1,216.05 km) |
| Cascais to Savenay | 706.80 mi (1,137.48 km) |
| Cascais to Saverne | 1,083.60 mi (1,743.88 km) |
| Cascais to Savigny-le-Temple | 906.88 mi (1,459.48 km) |
| Cascais to Savigny-sur-Orge | 903.85 mi (1,454.61 km) |
