| Ploemeur to Somma Lombardo | 591.29 mi (951.59 km) |
| Ploemeur to Somma Vesuviana | 999.38 mi (1,608.34 km) |
| Ploemeur to Sommacampagna | 696.20 mi (1,120.43 km) |
| Ploemeur to Sona | 694.71 mi (1,118.02 km) |
| Ploemeur to Sondrio | 635.76 mi (1,023.15 km) |
| Ploemeur to Sora | 931.77 mi (1,499.53 km) |
| Ploemeur to Sorbolo | 690.98 mi (1,112.03 km) |
| Ploemeur to Soresina | 653.21 mi (1,051.24 km) |
| Ploemeur to Sorisole | 634.10 mi (1,020.48 km) |
| Ploemeur to Sorrento | 1,006.28 mi (1,619.45 km) |
| Ploemeur to Sorso | 761.89 mi (1,226.14 km) |
| Ploemeur to Sortino | 1,186.18 mi (1,908.97 km) |
| Ploemeur to Soverato Marina | 1,179.48 mi (1,898.20 km) |
| Ploemeur to Sovicille | 772.25 mi (1,242.81 km) |
| Ploemeur to Spello | 845.72 mi (1,361.06 km) |
