| Cities | Distance |
|---|---|
| Grimbergen to Oria | 960.52 mi (1,545.81 km) |
| Grimbergen to Oristano | 788.45 mi (1,268.88 km) |
| Grimbergen to Orta Nova | 854.97 mi (1,375.94 km) |
| Grimbergen to Orte | 696.62 mi (1,121.10 km) |
| Grimbergen to Ortona | 758.51 mi (1,220.70 km) |
| Grimbergen to Orvieto | 674.16 mi (1,084.96 km) |
| Grimbergen to Orzinuovi | 459.68 mi (739.79 km) |
| Grimbergen to Osimo | 667.86 mi (1,074.82 km) |
| Grimbergen to Ospitaletto | 454.26 mi (731.06 km) |
| Grimbergen to Ostuni | 946.09 mi (1,522.59 km) |
| Grimbergen to Ottaviano | 847.44 mi (1,363.82 km) |
| Grimbergen to Ovada | 477.59 mi (768.61 km) |
| Grimbergen to Ozieri | 748.50 mi (1,204.60 km) |
| Grimbergen to Paceco | 979.78 mi (1,576.81 km) |
| Grimbergen to Pachino | 1,115.48 mi (1,795.20 km) |