| Sileby to Montalegre | 815.37 mi (1,312.21 km) |
| Sileby to Montemor-o-Novo | 1,030.42 mi (1,658.31 km) |
| Sileby to Montemor-o-Velho | 938.82 mi (1,510.88 km) |
| Sileby to Montijo | 1,039.43 mi (1,672.81 km) |
| Sileby to Mortagua | 913.53 mi (1,470.18 km) |
| Sileby to Moura | 1,053.44 mi (1,695.35 km) |
| Sileby to Murtosa | 901.17 mi (1,450.29 km) |
| Sileby to Nazare | 982.55 mi (1,581.27 km) |
| Sileby to Nelas | 901.59 mi (1,450.97 km) |
| Sileby to Obidos | 999.92 mi (1,609.22 km) |
| Sileby to Odemira | 1,107.53 mi (1,782.39 km) |
| Sileby to Odivelas | 1,037.30 mi (1,669.37 km) |
| Sileby to Oeiras | 1,046.71 mi (1,684.51 km) |
| Sileby to Olhao | 1,132.88 mi (1,823.19 km) |
| Sileby to Oliveira de Azemeis | 891.37 mi (1,434.52 km) |
