| Geraardsbergen to Montemor-o-Novo | 1,023.28 mi (1,646.81 km) |
| Geraardsbergen to Montemor-o-Velho | 949.28 mi (1,527.72 km) |
| Geraardsbergen to Montijo | 1,040.79 mi (1,674.99 km) |
| Geraardsbergen to Mortagua | 920.55 mi (1,481.49 km) |
| Geraardsbergen to Moura | 1,033.47 mi (1,663.21 km) |
| Geraardsbergen to Murtosa | 916.06 mi (1,474.26 km) |
| Geraardsbergen to Nazare | 993.01 mi (1,598.09 km) |
| Geraardsbergen to Nelas | 904.32 mi (1,455.36 km) |
| Geraardsbergen to Obidos | 1,009.53 mi (1,624.67 km) |
| Geraardsbergen to Odemira | 1,098.25 mi (1,767.47 km) |
| Geraardsbergen to Odivelas | 1,042.77 mi (1,678.18 km) |
| Geraardsbergen to Oeiras | 1,053.00 mi (1,694.64 km) |
| Geraardsbergen to Olhao | 1,111.03 mi (1,788.02 km) |
| Geraardsbergen to Oliveira de Azemeis | 905.21 mi (1,456.79 km) |
| Geraardsbergen to Oliveira de Frades | 903.08 mi (1,453.36 km) |
