| Diest to Montemor-o-Novo | 1,068.54 mi (1,719.65 km) |
| Diest to Montemor-o-Velho | 996.70 mi (1,604.04 km) |
| Diest to Montijo | 1,086.93 mi (1,749.24 km) |
| Diest to Mortagua | 967.75 mi (1,557.45 km) |
| Diest to Moura | 1,077.16 mi (1,733.52 km) |
| Diest to Murtosa | 964.05 mi (1,551.48 km) |
| Diest to Nazare | 1,040.26 mi (1,674.14 km) |
| Diest to Nelas | 951.15 mi (1,530.72 km) |
| Diest to Obidos | 1,056.64 mi (1,700.49 km) |
| Diest to Odemira | 1,142.98 mi (1,839.46 km) |
| Diest to Odivelas | 1,089.34 mi (1,753.12 km) |
| Diest to Oeiras | 1,099.62 mi (1,769.67 km) |
| Diest to Olhao | 1,154.17 mi (1,857.46 km) |
| Diest to Oliveira de Azemeis | 953.13 mi (1,533.92 km) |
| Diest to Oliveira de Frades | 950.53 mi (1,529.74 km) |
