| Alenquer to Soham | 1,020.84 mi (1,642.89 km) |
| Alenquer to Solihull | 985.88 mi (1,586.62 km) |
| Alenquer to Sompting | 916.45 mi (1,474.89 km) |
| Alenquer to South Hayling | 900.08 mi (1,448.53 km) |
| Alenquer to South Normanton | 1,037.11 mi (1,669.06 km) |
| Alenquer to South Ockendon | 971.51 mi (1,563.50 km) |
| Alenquer to South Shields | 1,156.56 mi (1,861.30 km) |
| Alenquer to Southall | 956.45 mi (1,539.25 km) |
| Alenquer to Southampton | 898.33 mi (1,445.73 km) |
| Alenquer to Southborough | 949.56 mi (1,528.17 km) |
| Alenquer to Southbourne | 879.46 mi (1,415.35 km) |
| Alenquer to Southend | 982.60 mi (1,581.34 km) |
| Alenquer to Southgate | 968.94 mi (1,559.36 km) |
| Alenquer to Southport | 1,047.61 mi (1,685.97 km) |
| Alenquer to Southwater | 927.69 mi (1,492.97 km) |
