| Serpa to Montalegre | 268.17 mi (431.57 km) |
| Serpa to Montemor-o-Novo | 59.14 mi (95.17 km) |
| Serpa to Montemor-o-Velho | 164.18 mi (264.22 km) |
| Serpa to Montijo | 87.06 mi (140.11 km) |
| Serpa to Mortagua | 175.27 mi (282.07 km) |
| Serpa to Moura | 15.34 mi (24.69 km) |
| Serpa to Murtosa | 200.44 mi (322.58 km) |
| Serpa to Nazare | 139.04 mi (223.76 km) |
| Serpa to Nelas | 178.22 mi (286.81 km) |
| Serpa to Obidos | 128.88 mi (207.42 km) |
| Serpa to Odemira | 61.77 mi (99.41 km) |
| Serpa to Odivelas | 103.66 mi (166.83 km) |
| Serpa to Oeiras | 106.19 mi (170.89 km) |
| Serpa to Olhao | 64.85 mi (104.36 km) |
| Serpa to Oliveira de Azemeis | 205.44 mi (330.62 km) |
