| Grimbergen to Oliveira do Bairro | 948.10 mi (1,525.81 km) |
| Grimbergen to Oliveira do Hospital | 937.49 mi (1,508.74 km) |
| Grimbergen to Ourem | 998.97 mi (1,607.68 km) |
| Grimbergen to Ovar | 932.94 mi (1,501.43 km) |
| Grimbergen to Pacos de Ferreira | 903.65 mi (1,454.28 km) |
| Grimbergen to Palmela | 1,071.19 mi (1,723.92 km) |
| Grimbergen to Paredes | 905.16 mi (1,456.71 km) |
| Grimbergen to Paredes de Coura | 874.28 mi (1,407.02 km) |
| Grimbergen to Penacova | 955.21 mi (1,537.26 km) |
| Grimbergen to Penafiel | 903.26 mi (1,453.66 km) |
| Grimbergen to Peniche | 1,040.34 mi (1,674.27 km) |
| Grimbergen to Peso da Regua | 889.58 mi (1,431.64 km) |
| Grimbergen to Pinhal Novo | 1,067.87 mi (1,718.57 km) |
| Grimbergen to Pinhel | 889.68 mi (1,431.80 km) |
| Grimbergen to Pombal | 985.73 mi (1,586.38 km) |
