| Slupca to Montemor-o-Novo | 1,562.48 mi (2,514.58 km) |
| Slupca to Montemor-o-Velho | 1,507.35 mi (2,425.85 km) |
| Slupca to Montijo | 1,586.75 mi (2,553.62 km) |
| Slupca to Mortagua | 1,477.43 mi (2,377.69 km) |
| Slupca to Moura | 1,559.65 mi (2,510.02 km) |
| Slupca to Murtosa | 1,479.14 mi (2,380.44 km) |
| Slupca to Nazare | 1,548.93 mi (2,492.77 km) |
| Slupca to Nelas | 1,458.68 mi (2,347.52 km) |
| Slupca to Obidos | 1,563.98 mi (2,516.98 km) |
| Slupca to Odemira | 1,631.45 mi (2,625.56 km) |
| Slupca to Odivelas | 1,592.20 mi (2,562.40 km) |
| Slupca to Oeiras | 1,602.65 mi (2,579.21 km) |
| Slupca to Olhao | 1,630.70 mi (2,624.36 km) |
| Slupca to Oliveira de Azemeis | 1,468.05 mi (2,362.60 km) |
| Slupca to Oliveira de Frades | 1,462.33 mi (2,353.40 km) |
