| Fountain Valley to Selargius | 6,366.82 mi (10,246.41 km) |
| Fountain Valley to Selvazzano Dentro | 6,132.96 mi (9,870.05 km) |
| Fountain Valley to Senago | 6,038.77 mi (9,718.46 km) |
| Fountain Valley to Senigallia | 6,267.02 mi (10,085.79 km) |
| Fountain Valley to Seravezza | 6,156.59 mi (9,908.07 km) |
| Fountain Valley to Seregno | 6,037.46 mi (9,716.36 km) |
| Fountain Valley to Seriate | 6,052.20 mi (9,740.08 km) |
| Fountain Valley to Sermoneta | 6,375.89 mi (10,261.00 km) |
| Fountain Valley to Serramanna | 6,349.61 mi (10,218.71 km) |
| Fountain Valley to Serravalle Pistoiese | 6,181.27 mi (9,947.79 km) |
| Fountain Valley to Sessa Aurunca | 6,423.73 mi (10,338.00 km) |
| Fountain Valley to Sesto Calende | 6,014.95 mi (9,680.12 km) |
| Fountain Valley to Sesto Fiorentino | 6,196.60 mi (9,972.46 km) |
| Fountain Valley to Sesto San Giovanni | 6,044.56 mi (9,727.79 km) |
| Fountain Valley to Sestri Levante | 6,114.96 mi (9,841.08 km) |
