| Burr Ridge to Opwijk | 4,145.67 mi (6,671.81 km) |
| Burr Ridge to Ostend | 4,089.26 mi (6,581.02 km) |
| Burr Ridge to Oud-Heverlee | 4,168.49 mi (6,708.53 km) |
| Burr Ridge to Oud-Turnhout | 4,163.12 mi (6,699.90 km) |
| Burr Ridge to Oudenaarde | 4,127.85 mi (6,643.13 km) |
| Burr Ridge to Oudenburg | 4,093.74 mi (6,588.24 km) |
| Burr Ridge to Oupeye | 4,209.44 mi (6,774.44 km) |
| Burr Ridge to Overijse | 4,165.26 mi (6,703.34 km) |
| Burr Ridge to Overpelt | 4,182.74 mi (6,731.47 km) |
| Burr Ridge to Paal | 4,180.03 mi (6,727.12 km) |
| Burr Ridge to Peer | 4,187.11 mi (6,738.50 km) |
| Burr Ridge to Pepinster | 4,221.05 mi (6,793.12 km) |
| Burr Ridge to Peruwelz | 4,138.86 mi (6,660.85 km) |
| Burr Ridge to Perwez | 4,181.49 mi (6,729.47 km) |
| Burr Ridge to Philippeville | 4,186.66 mi (6,737.79 km) |
