| Ostrow Mazowiecka to Selargius | 1,114.16 mi (1,793.06 km) |
| Ostrow Mazowiecka to Selvazzano Dentro | 685.82 mi (1,103.72 km) |
| Ostrow Mazowiecka to Senago | 760.23 mi (1,223.48 km) |
| Ostrow Mazowiecka to Senigallia | 742.92 mi (1,195.61 km) |
| Ostrow Mazowiecka to Seravezza | 807.99 mi (1,300.34 km) |
| Ostrow Mazowiecka to Seregno | 754.69 mi (1,214.55 km) |
| Ostrow Mazowiecka to Seriate | 735.56 mi (1,183.77 km) |
| Ostrow Mazowiecka to Sermoneta | 881.39 mi (1,418.46 km) |
| Ostrow Mazowiecka to Serramanna | 1,110.14 mi (1,786.60 km) |
| Ostrow Mazowiecka to Serravalle Pistoiese | 795.88 mi (1,280.85 km) |
| Ostrow Mazowiecka to Sessa Aurunca | 881.63 mi (1,418.85 km) |
| Ostrow Mazowiecka to Sesto Calende | 770.04 mi (1,239.27 km) |
| Ostrow Mazowiecka to Sesto Fiorentino | 789.17 mi (1,270.04 km) |
| Ostrow Mazowiecka to Sesto San Giovanni | 759.33 mi (1,222.03 km) |
| Ostrow Mazowiecka to Sestri Levante | 819.03 mi (1,318.11 km) |
