| Grimbergen to Ottendorf-Okrilla | 410.16 mi (660.09 km) |
| Grimbergen to Ottersberg | 251.90 mi (405.39 km) |
| Grimbergen to Ottobrunn | 381.90 mi (614.61 km) |
| Grimbergen to Ottweiler | 164.00 mi (263.93 km) |
| Grimbergen to Overath | 126.98 mi (204.35 km) |
| Grimbergen to Oyten | 245.85 mi (395.66 km) |
| Grimbergen to Paderborn | 196.32 mi (315.94 km) |
| Grimbergen to Papenburg | 195.40 mi (314.47 km) |
| Grimbergen to Parchim | 359.04 mi (577.81 km) |
| Grimbergen to Pasewalk | 443.58 mi (713.88 km) |
| Grimbergen to Passau | 436.56 mi (702.57 km) |
| Grimbergen to Pattensen | 248.65 mi (400.17 km) |
| Grimbergen to Pegnitz | 325.94 mi (524.54 km) |
| Grimbergen to Peine | 268.51 mi (432.13 km) |
| Grimbergen to Peissenberg | 370.29 mi (595.92 km) |
