| Colleferro to Opwijk | 763.31 mi (1,228.43 km) |
| Colleferro to Ostend | 811.39 mi (1,305.81 km) |
| Colleferro to Oud-Heverlee | 743.45 mi (1,196.47 km) |
| Colleferro to Oud-Turnhout | 763.34 mi (1,228.47 km) |
| Colleferro to Oudenaarde | 772.55 mi (1,243.30 km) |
| Colleferro to Oudenburg | 806.90 mi (1,298.58 km) |
| Colleferro to Oupeye | 712.47 mi (1,146.61 km) |
| Colleferro to Overijse | 744.05 mi (1,197.44 km) |
| Colleferro to Overpelt | 747.47 mi (1,202.94 km) |
| Colleferro to Paal | 742.79 mi (1,195.40 km) |
| Colleferro to Peer | 741.71 mi (1,193.66 km) |
| Colleferro to Pepinster | 700.14 mi (1,126.76 km) |
| Colleferro to Peruwelz | 755.27 mi (1,215.49 km) |
| Colleferro to Perwez | 727.92 mi (1,171.47 km) |
| Colleferro to Philippeville | 711.43 mi (1,144.93 km) |
