| Nivelles to Oestrich-Winkel | 167.49 mi (269.55 km) |
| Nivelles to Offenburg | 218.35 mi (351.40 km) |
| Nivelles to Oftersheim | 207.29 mi (333.60 km) |
| Nivelles to Ohrdruf | 281.17 mi (452.50 km) |
| Nivelles to Ohringen | 249.66 mi (401.80 km) |
| Nivelles to Olbernhau | 395.02 mi (635.72 km) |
| Nivelles to Olching | 355.07 mi (571.43 km) |
| Nivelles to Oldenburg | 242.73 mi (390.64 km) |
| Nivelles to Oldenburg in Holstein | 377.12 mi (606.92 km) |
| Nivelles to Olfen | 154.25 mi (248.23 km) |
| Nivelles to Olpe | 156.44 mi (251.77 km) |
| Nivelles to Olsberg | 188.85 mi (303.93 km) |
| Nivelles to Oranienburg | 410.28 mi (660.29 km) |
| Nivelles to Ortenberg | 208.95 mi (336.27 km) |
| Nivelles to Oschatz | 385.66 mi (620.66 km) |
