| Staines-upon-Thames to Santarem | 930.41 mi (1,497.34 km) |
| Staines-upon-Thames to Santiago do Cacem | 1,008.94 mi (1,623.73 km) |
| Staines-upon-Thames to Santo Andre | 1,007.75 mi (1,621.81 km) |
| Staines-upon-Thames to Santo Tirso | 793.16 mi (1,276.47 km) |
| Staines-upon-Thames to Sao Bras de Alportel | 1,050.81 mi (1,691.12 km) |
| Staines-upon-Thames to Sao Felix da Marinha | 815.32 mi (1,312.14 km) |
| Staines-upon-Thames to Sao Joao da Madeira | 820.90 mi (1,321.12 km) |
| Staines-upon-Thames to Sao Joao de Ver | 818.72 mi (1,317.60 km) |
| Staines-upon-Thames to Sao Mamede de Infesta | 804.47 mi (1,294.66 km) |
| Staines-upon-Thames to Sao Pedro do Sul | 821.15 mi (1,321.52 km) |
| Staines-upon-Thames to Satao | 815.40 mi (1,312.25 km) |
| Staines-upon-Thames to Seia | 834.70 mi (1,343.31 km) |
| Staines-upon-Thames to Senhora da Hora | 806.49 mi (1,297.92 km) |
| Staines-upon-Thames to Serpa | 993.78 mi (1,599.33 km) |
| Staines-upon-Thames to Serta | 882.41 mi (1,420.10 km) |
