| Sleaford to Santarem | 1,028.50 mi (1,655.21 km) |
| Sleaford to Santiago do Cacem | 1,108.27 mi (1,783.59 km) |
| Sleaford to Santo Andre | 1,106.94 mi (1,781.45 km) |
| Sleaford to Santo Tirso | 888.89 mi (1,430.53 km) |
| Sleaford to Sao Bras de Alportel | 1,152.41 mi (1,854.63 km) |
| Sleaford to Sao Felix da Marinha | 911.10 mi (1,466.28 km) |
| Sleaford to Sao Joao da Madeira | 917.27 mi (1,476.20 km) |
| Sleaford to Sao Joao de Ver | 914.82 mi (1,472.27 km) |
| Sleaford to Sao Mamede de Infesta | 900.04 mi (1,448.47 km) |
| Sleaford to Sao Pedro do Sul | 918.85 mi (1,478.75 km) |
| Sleaford to Satao | 913.97 mi (1,470.90 km) |
| Sleaford to Seia | 933.73 mi (1,502.70 km) |
| Sleaford to Senhora da Hora | 901.94 mi (1,451.53 km) |
| Sleaford to Serpa | 1,095.34 mi (1,762.77 km) |
| Sleaford to Serta | 981.22 mi (1,579.12 km) |
