| Boulder to Sceaux | 4,880.21 mi (7,853.94 km) |
| Boulder to Schiltigheim | 5,075.90 mi (8,168.88 km) |
| Boulder to Scionzier | 5,153.76 mi (8,294.17 km) |
| Boulder to Seclin | 4,828.39 mi (7,770.54 km) |
| Boulder to Sedan | 4,930.82 mi (7,935.39 km) |
| Boulder to Selestat | 5,082.22 mi (8,179.05 km) |
| Boulder to Sene | 4,746.88 mi (7,639.36 km) |
| Boulder to Senlis | 4,871.83 mi (7,840.45 km) |
| Boulder to Sens | 4,940.99 mi (7,951.75 km) |
| Boulder to Septemes-les-Vallons | 5,234.71 mi (8,424.45 km) |
| Boulder to Serris | 4,894.21 mi (7,876.47 km) |
| Boulder to Sete | 5,172.00 mi (8,323.54 km) |
| Boulder to Sevran | 4,881.97 mi (7,856.76 km) |
| Boulder to Sevres | 4,875.45 mi (7,846.28 km) |
| Boulder to Seynod | 5,145.49 mi (8,280.86 km) |
