| Bolingbrook to Opwijk | 4,155.26 mi (6,687.25 km) |
| Bolingbrook to Ostend | 4,098.86 mi (6,596.48 km) |
| Bolingbrook to Oud-Heverlee | 4,178.08 mi (6,723.96 km) |
| Bolingbrook to Oud-Turnhout | 4,172.68 mi (6,715.27 km) |
| Bolingbrook to Oudenaarde | 4,137.46 mi (6,658.60 km) |
| Bolingbrook to Oudenburg | 4,103.35 mi (6,603.70 km) |
| Bolingbrook to Oupeye | 4,219.02 mi (6,789.85 km) |
| Bolingbrook to Overijse | 4,174.86 mi (6,718.79 km) |
| Bolingbrook to Overpelt | 4,192.29 mi (6,746.83 km) |
| Bolingbrook to Paal | 4,189.60 mi (6,742.51 km) |
| Bolingbrook to Peer | 4,196.66 mi (6,753.88 km) |
| Bolingbrook to Pepinster | 4,230.63 mi (6,808.54 km) |
| Bolingbrook to Peruwelz | 4,148.49 mi (6,676.36 km) |
| Bolingbrook to Perwez | 4,191.09 mi (6,744.91 km) |
| Bolingbrook to Philippeville | 4,196.30 mi (6,753.29 km) |
