| Webster Groves to Selargius | 5,034.62 mi (8,102.44 km) |
| Webster Groves to Selvazzano Dentro | 4,893.24 mi (7,874.91 km) |
| Webster Groves to Senago | 4,780.39 mi (7,693.30 km) |
| Webster Groves to Senigallia | 5,018.78 mi (8,076.95 km) |
| Webster Groves to Seravezza | 4,887.30 mi (7,865.34 km) |
| Webster Groves to Seregno | 4,780.44 mi (7,693.38 km) |
| Webster Groves to Seriate | 4,799.67 mi (7,724.32 km) |
| Webster Groves to Sermoneta | 5,100.15 mi (8,207.90 km) |
| Webster Groves to Serramanna | 5,017.42 mi (8,074.76 km) |
| Webster Groves to Serravalle Pistoiese | 4,915.57 mi (7,910.84 km) |
| Webster Groves to Sessa Aurunca | 5,152.45 mi (8,292.06 km) |
| Webster Groves to Sesto Calende | 4,754.60 mi (7,651.79 km) |
| Webster Groves to Sesto Fiorentino | 4,933.06 mi (7,938.99 km) |
| Webster Groves to Sesto San Giovanni | 4,786.34 mi (7,702.86 km) |
| Webster Groves to Sestri Levante | 4,842.38 mi (7,793.06 km) |
