| Zaventem to Montemor-o-Novo | 1,046.39 mi (1,684.00 km) |
| Zaventem to Montemor-o-Velho | 973.49 mi (1,566.68 km) |
| Zaventem to Montijo | 1,064.35 mi (1,712.90 km) |
| Zaventem to Mortagua | 944.64 mi (1,520.26 km) |
| Zaventem to Moura | 1,055.78 mi (1,699.11 km) |
| Zaventem to Murtosa | 940.55 mi (1,513.67 km) |
| Zaventem to Nazare | 1,017.13 mi (1,636.92 km) |
| Zaventem to Nelas | 928.21 mi (1,493.82 km) |
| Zaventem to Obidos | 1,033.58 mi (1,663.38 km) |
| Zaventem to Odemira | 1,121.10 mi (1,804.23 km) |
| Zaventem to Odivelas | 1,066.55 mi (1,716.44 km) |
| Zaventem to Oeiras | 1,076.81 mi (1,732.95 km) |
| Zaventem to Olhao | 1,133.06 mi (1,823.48 km) |
| Zaventem to Oliveira de Azemeis | 929.67 mi (1,496.15 km) |
| Zaventem to Oliveira de Frades | 927.30 mi (1,492.34 km) |
