| Webster Groves to Santa Ursula | 4,200.46 mi (6,759.98 km) |
| Webster Groves to Santander | 4,311.95 mi (6,939.41 km) |
| Webster Groves to Santany | 4,765.70 mi (7,669.66 km) |
| Webster Groves to Santiago de Compostela | 4,118.18 mi (6,627.57 km) |
| Webster Groves to Santiago del Teide | 4,188.14 mi (6,740.16 km) |
| Webster Groves to Santiponce | 4,411.93 mi (7,100.32 km) |
| Webster Groves to Santomera | 4,623.89 mi (7,441.43 km) |
| Webster Groves to Santona | 4,327.98 mi (6,965.22 km) |
| Webster Groves to Santurce-Antiguo | 4,350.44 mi (7,001.36 km) |
| Webster Groves to Sarria | 4,172.22 mi (6,714.53 km) |
| Webster Groves to Sauzal | 4,201.46 mi (6,761.60 km) |
| Webster Groves to Sedavi | 4,604.72 mi (7,410.57 km) |
| Webster Groves to Segorbe | 4,584.62 mi (7,378.23 km) |
| Webster Groves to Segovia | 4,381.61 mi (7,051.52 km) |
| Webster Groves to Senmanat | 4,637.70 mi (7,463.66 km) |
