| Grimbergen to Ploufragan | 362.26 mi (583.01 km) |
| Grimbergen to Plougastel-Daoulas | 429.34 mi (690.96 km) |
| Grimbergen to Plouzane | 438.48 mi (705.67 km) |
| Grimbergen to Poissy | 173.13 mi (278.62 km) |
| Grimbergen to Poitiers | 352.57 mi (567.40 km) |
| Grimbergen to Pont-a-Mousson | 158.66 mi (255.34 km) |
| Grimbergen to Pont-du-Chateau | 358.59 mi (577.09 km) |
| Grimbergen to Pont-Saint-Esprit | 461.49 mi (742.70 km) |
| Grimbergen to Pont-Sainte-Maxence | 137.60 mi (221.44 km) |
| Grimbergen to Pontarlier | 292.27 mi (470.36 km) |
| Grimbergen to Pontchateau | 378.92 mi (609.81 km) |
| Grimbergen to Pontivy | 384.23 mi (618.36 km) |
| Grimbergen to Pontoise | 164.83 mi (265.27 km) |
| Grimbergen to Pornic | 394.64 mi (635.10 km) |
| Grimbergen to Pornichet | 395.60 mi (636.66 km) |
