| Cangas de Narcea to Sestu | 853.55 mi (1,373.66 km) |
| Cangas de Narcea to Settimo Torinese | 721.01 mi (1,160.35 km) |
| Cangas de Narcea to Seveso | 791.01 mi (1,273.00 km) |
| Cangas de Narcea to Sezze | 1,005.65 mi (1,618.43 km) |
| Cangas de Narcea to Siano | 1,099.65 mi (1,769.71 km) |
| Cangas de Narcea to Siena | 897.75 mi (1,444.78 km) |
| Cangas de Narcea to Signa | 883.70 mi (1,422.18 km) |
| Cangas de Narcea to Silea | 943.01 mi (1,517.64 km) |
| Cangas de Narcea to Silvi Paese | 1,044.35 mi (1,680.72 km) |
| Cangas de Narcea to Sinalunga | 918.57 mi (1,478.30 km) |
| Cangas de Narcea to Siniscola | 852.88 mi (1,372.57 km) |
| Cangas de Narcea to Sinnai | 858.93 mi (1,382.32 km) |
| Cangas de Narcea to Siracusa | 1,223.51 mi (1,969.05 km) |
| Cangas de Narcea to Solaro | 788.21 mi (1,268.50 km) |
| Cangas de Narcea to Soliera | 873.62 mi (1,405.96 km) |
