| Petroupoli to Somma Lombardo | 932.40 mi (1,500.55 km) |
| Petroupoli to Somma Vesuviana | 530.53 mi (853.80 km) |
| Petroupoli to Sommacampagna | 833.24 mi (1,340.97 km) |
| Petroupoli to Sona | 835.17 mi (1,344.08 km) |
| Petroupoli to Sondrio | 901.93 mi (1,451.52 km) |
| Petroupoli to Sora | 590.84 mi (950.86 km) |
| Petroupoli to Sorbolo | 829.90 mi (1,335.60 km) |
| Petroupoli to Soresina | 870.14 mi (1,400.35 km) |
| Petroupoli to Sorisole | 894.49 mi (1,439.54 km) |
| Petroupoli to Sorrento | 528.53 mi (850.58 km) |
| Petroupoli to Sorso | 827.51 mi (1,331.76 km) |
| Petroupoli to Sortino | 477.11 mi (767.83 km) |
| Petroupoli to Soverato Marina | 388.98 mi (626.00 km) |
| Petroupoli to Sovicille | 745.49 mi (1,199.74 km) |
| Petroupoli to Spello | 671.34 mi (1,080.42 km) |
