| Webster Groves to Secaucus (New Jersey) | 877.94 mi (1,412.91 km) |
| Webster Groves to Security-Widefield (Colorado) | 773.95 mi (1,245.56 km) |
| Webster Groves to Sedalia (Missouri) | 155.60 mi (250.42 km) |
| Webster Groves to Sedro-Woolley (Washington) | 1,721.45 mi (2,770.41 km) |
| Webster Groves to Seguin (Texas) | 758.44 mi (1,220.60 km) |
| Webster Groves to Selden (New York) | 931.55 mi (1,499.19 km) |
| Webster Groves to Selma (Alabama) | 465.34 mi (748.89 km) |
| Webster Groves to Selma (California) | 1,601.45 mi (2,577.29 km) |
| Webster Groves to Selma (Texas) | 770.05 mi (1,239.27 km) |
| Webster Groves to Seminole (Florida) | 860.87 mi (1,385.44 km) |
| Webster Groves to Seven Hills (Ohio) | 498.17 mi (801.72 km) |
| Webster Groves to Seven Oaks (South Carolina) | 600.63 mi (966.62 km) |
| Webster Groves to Severn (Maryland) | 735.14 mi (1,183.09 km) |
| Webster Groves to Severna Park (Maryland) | 742.03 mi (1,194.18 km) |
| Webster Groves to Sevierville (Tennessee) | 417.16 mi (671.35 km) |
