| Backi Petrovac to Solofra | 393.64 mi (633.51 km) |
| Backi Petrovac to Somma Lombardo | 527.32 mi (848.64 km) |
| Backi Petrovac to Somma Vesuviana | 404.48 mi (650.95 km) |
| Backi Petrovac to Sommacampagna | 424.04 mi (682.43 km) |
| Backi Petrovac to Sona | 424.75 mi (683.57 km) |
| Backi Petrovac to Sondrio | 471.60 mi (758.97 km) |
| Backi Petrovac to Sora | 390.89 mi (629.08 km) |
| Backi Petrovac to Sorbolo | 447.06 mi (719.48 km) |
| Backi Petrovac to Soresina | 472.65 mi (760.65 km) |
| Backi Petrovac to Sorisole | 481.12 mi (774.29 km) |
| Backi Petrovac to Sorrento | 419.89 mi (675.75 km) |
| Backi Petrovac to Sorso | 638.21 mi (1,027.10 km) |
| Backi Petrovac to Sortino | 613.38 mi (987.14 km) |
| Backi Petrovac to Soverato Marina | 486.96 mi (783.68 km) |
| Backi Petrovac to Sovicille | 437.13 mi (703.50 km) |
