| Castle Rock to Selargius | 5,590.96 mi (8,997.78 km) |
| Castle Rock to Selvazzano Dentro | 5,388.20 mi (8,671.47 km) |
| Castle Rock to Senago | 5,286.60 mi (8,507.95 km) |
| Castle Rock to Senigallia | 5,520.09 mi (8,883.72 km) |
| Castle Rock to Seravezza | 5,401.30 mi (8,692.55 km) |
| Castle Rock to Seregno | 5,285.77 mi (8,506.62 km) |
| Castle Rock to Seriate | 5,302.22 mi (8,533.09 km) |
| Castle Rock to Sermoneta | 5,619.70 mi (9,044.03 km) |
| Castle Rock to Serramanna | 5,573.66 mi (8,969.94 km) |
| Castle Rock to Serravalle Pistoiese | 5,427.43 mi (8,734.60 km) |
| Castle Rock to Sessa Aurunca | 5,669.45 mi (9,124.10 km) |
| Castle Rock to Sesto Calende | 5,261.91 mi (8,468.23 km) |
| Castle Rock to Sesto Fiorentino | 5,443.63 mi (8,760.68 km) |
| Castle Rock to Sesto San Giovanni | 5,292.48 mi (8,517.43 km) |
| Castle Rock to Sestri Levante | 5,358.24 mi (8,623.25 km) |
