| Boulogne-sur-Mer to Sannois | 124.54 mi (200.43 km) |
| Boulogne-sur-Mer to Saran | 192.11 mi (309.16 km) |
| Boulogne-sur-Mer to Sarcelles | 124.36 mi (200.13 km) |
| Boulogne-sur-Mer to Sarlat-la-Caneda | 403.68 mi (649.66 km) |
| Boulogne-sur-Mer to Sarrebourg | 279.09 mi (449.15 km) |
| Boulogne-sur-Mer to Sarreguemines | 267.07 mi (429.81 km) |
| Boulogne-sur-Mer to Sartrouville | 126.02 mi (202.82 km) |
| Boulogne-sur-Mer to Sarzeau | 296.81 mi (477.67 km) |
| Boulogne-sur-Mer to Sassenage | 424.87 mi (683.76 km) |
| Boulogne-sur-Mer to Saumur | 251.47 mi (404.69 km) |
| Boulogne-sur-Mer to Savenay | 282.79 mi (455.10 km) |
| Boulogne-sur-Mer to Saverne | 290.89 mi (468.14 km) |
| Boulogne-sur-Mer to Savigny-le-Temple | 154.22 mi (248.20 km) |
| Boulogne-sur-Mer to Savigny-sur-Orge | 145.13 mi (233.57 km) |
| Boulogne-sur-Mer to Sceaux | 137.92 mi (221.96 km) |
