| Barcelos to Sestu | 942.44 mi (1,516.72 km) |
| Barcelos to Settimo Torinese | 858.82 mi (1,382.13 km) |
| Barcelos to Seveso | 930.95 mi (1,498.23 km) |
| Barcelos to Sezze | 1,118.96 mi (1,800.80 km) |
| Barcelos to Siano | 1,209.94 mi (1,947.22 km) |
| Barcelos to Siena | 1,022.62 mi (1,645.75 km) |
| Barcelos to Signa | 1,011.65 mi (1,628.10 km) |
| Barcelos to Silea | 1,081.51 mi (1,740.52 km) |
| Barcelos to Silvi Paese | 1,165.34 mi (1,875.44 km) |
| Barcelos to Sinalunga | 1,042.86 mi (1,678.32 km) |
| Barcelos to Siniscola | 954.71 mi (1,536.45 km) |
| Barcelos to Sinnai | 948.13 mi (1,525.88 km) |
| Barcelos to Siracusa | 1,310.05 mi (2,108.31 km) |
| Barcelos to Solaro | 928.03 mi (1,493.52 km) |
| Barcelos to Soliera | 1,007.57 mi (1,621.53 km) |
