| Balchik to Somma Lombardo | 968.29 mi (1,558.32 km) |
| Balchik to Somma Vesuviana | 723.94 mi (1,165.07 km) |
| Balchik to Sommacampagna | 863.47 mi (1,389.62 km) |
| Balchik to Sona | 864.40 mi (1,391.11 km) |
| Balchik to Sondrio | 914.42 mi (1,471.62 km) |
| Balchik to Sora | 748.46 mi (1,204.53 km) |
| Balchik to Sorbolo | 882.02 mi (1,419.47 km) |
| Balchik to Soresina | 911.35 mi (1,466.67 km) |
| Balchik to Sorisole | 922.39 mi (1,484.44 km) |
| Balchik to Sorrento | 732.64 mi (1,179.07 km) |
| Balchik to Sorso | 1,017.63 mi (1,637.72 km) |
| Balchik to Sortino | 814.46 mi (1,310.75 km) |
| Balchik to Soverato Marina | 687.17 mi (1,105.90 km) |
| Balchik to Sovicille | 849.05 mi (1,366.42 km) |
| Balchik to Spello | 779.52 mi (1,254.52 km) |
