| Berchem to Oignies | 79.32 mi (127.65 km) |
| Berchem to Oissel | 194.28 mi (312.67 km) |
| Berchem to Olivet | 255.57 mi (411.30 km) |
| Berchem to Ollioules | 559.80 mi (900.91 km) |
| Berchem to Olonne-sur-Mer | 426.62 mi (686.57 km) |
| Berchem to Oloron-Sainte-Marie | 599.92 mi (965.48 km) |
| Berchem to Onet Village | 478.56 mi (770.17 km) |
| Berchem to Onnaing | 65.57 mi (105.53 km) |
| Berchem to Orange | 487.10 mi (783.92 km) |
| Berchem to Orchies | 70.82 mi (113.97 km) |
| Berchem to Orleans | 252.99 mi (407.15 km) |
| Berchem to Orly | 191.03 mi (307.43 km) |
| Berchem to Ormesson-sur-Marne | 185.47 mi (298.48 km) |
| Berchem to Orsay | 198.25 mi (319.05 km) |
| Berchem to Orthez | 584.18 mi (940.15 km) |
