| Roudnice nad Labem to Somma Lombardo | 416.08 mi (669.62 km) |
| Roudnice nad Labem to Somma Vesuviana | 660.10 mi (1,062.32 km) |
| Roudnice nad Labem to Sommacampagna | 381.38 mi (613.77 km) |
| Roudnice nad Labem to Sona | 379.59 mi (610.88 km) |
| Roudnice nad Labem to Sondrio | 356.53 mi (573.77 km) |
| Roudnice nad Labem to Sora | 602.50 mi (969.63 km) |
| Roudnice nad Labem to Sorbolo | 424.25 mi (682.77 km) |
| Roudnice nad Labem to Soresina | 409.43 mi (658.91 km) |
| Roudnice nad Labem to Sorisole | 387.26 mi (623.24 km) |
| Roudnice nad Labem to Sorrento | 676.97 mi (1,089.48 km) |
| Roudnice nad Labem to Sorso | 719.14 mi (1,157.35 km) |
| Roudnice nad Labem to Sortino | 916.88 mi (1,475.58 km) |
| Roudnice nad Labem to Soverato Marina | 818.98 mi (1,318.02 km) |
| Roudnice nad Labem to Sovicille | 513.68 mi (826.69 km) |
| Roudnice nad Labem to Spello | 519.27 mi (835.68 km) |
