| Oisterwijk to Montemor-o-Novo | 1,103.69 mi (1,776.22 km) |
| Oisterwijk to Montemor-o-Velho | 1,030.01 mi (1,657.64 km) |
| Oisterwijk to Montijo | 1,121.38 mi (1,804.69 km) |
| Oisterwijk to Mortagua | 1,001.27 mi (1,611.39 km) |
| Oisterwijk to Moura | 1,113.40 mi (1,791.85 km) |
| Oisterwijk to Murtosa | 996.80 mi (1,604.19 km) |
| Oisterwijk to Nazare | 1,073.73 mi (1,728.00 km) |
| Oisterwijk to Nelas | 985.00 mi (1,585.20 km) |
| Oisterwijk to Obidos | 1,090.24 mi (1,754.57 km) |
| Oisterwijk to Odemira | 1,178.53 mi (1,896.65 km) |
| Oisterwijk to Odivelas | 1,123.43 mi (1,807.98 km) |
| Oisterwijk to Oeiras | 1,133.67 mi (1,824.46 km) |
| Oisterwijk to Olhao | 1,190.76 mi (1,916.34 km) |
| Oisterwijk to Oliveira de Azemeis | 985.94 mi (1,586.72 km) |
| Oisterwijk to Oliveira de Frades | 983.81 mi (1,583.29 km) |
