| Harrow Weald to Santarem | 944.25 mi (1,519.63 km) |
| Harrow Weald to Santiago do Cacem | 1,022.75 mi (1,645.96 km) |
| Harrow Weald to Santo Andre | 1,021.57 mi (1,644.05 km) |
| Harrow Weald to Santo Tirso | 807.04 mi (1,298.81 km) |
| Harrow Weald to Sao Bras de Alportel | 1,064.52 mi (1,713.18 km) |
| Harrow Weald to Sao Felix da Marinha | 829.20 mi (1,334.47 km) |
| Harrow Weald to Sao Joao da Madeira | 834.78 mi (1,343.45 km) |
| Harrow Weald to Sao Joao de Ver | 832.59 mi (1,339.93 km) |
| Harrow Weald to Sao Mamede de Infesta | 818.34 mi (1,317.00 km) |
| Harrow Weald to Sao Pedro do Sul | 835.01 mi (1,343.82 km) |
| Harrow Weald to Satao | 829.24 mi (1,334.53 km) |
| Harrow Weald to Seia | 848.52 mi (1,365.57 km) |
| Harrow Weald to Senhora da Hora | 820.37 mi (1,320.26 km) |
| Harrow Weald to Serpa | 1,007.48 mi (1,621.39 km) |
| Harrow Weald to Serta | 896.24 mi (1,442.36 km) |
