| West Carson to Selargius | 6,372.81 mi (10,256.05 km) |
| West Carson to Selvazzano Dentro | 6,137.00 mi (9,876.54 km) |
| West Carson to Senago | 6,043.27 mi (9,725.70 km) |
| West Carson to Senigallia | 6,271.15 mi (10,092.44 km) |
| West Carson to Seravezza | 6,161.25 mi (9,915.57 km) |
| West Carson to Seregno | 6,041.93 mi (9,723.55 km) |
| West Carson to Seriate | 6,056.56 mi (9,747.10 km) |
| West Carson to Sermoneta | 6,380.55 mi (10,268.51 km) |
| West Carson to Serramanna | 6,355.61 mi (10,228.36 km) |
| West Carson to Serravalle Pistoiese | 6,185.83 mi (9,955.13 km) |
| West Carson to Sessa Aurunca | 6,428.27 mi (10,345.29 km) |
| West Carson to Sesto Calende | 6,019.50 mi (9,687.46 km) |
| West Carson to Sesto Fiorentino | 6,201.10 mi (9,979.71 km) |
| West Carson to Sesto San Giovanni | 6,049.05 mi (9,735.01 km) |
| West Carson to Sestri Levante | 6,119.72 mi (9,848.74 km) |
