| Carol Stream to Opwijk | 4,145.50 mi (6,671.54 km) |
| Carol Stream to Ostend | 4,089.14 mi (6,580.84 km) |
| Carol Stream to Oud-Heverlee | 4,168.30 mi (6,708.24 km) |
| Carol Stream to Oud-Turnhout | 4,162.77 mi (6,699.34 km) |
| Carol Stream to Oudenaarde | 4,127.77 mi (6,643.00 km) |
| Carol Stream to Oudenburg | 4,093.63 mi (6,588.07 km) |
| Carol Stream to Oupeye | 4,209.19 mi (6,774.04 km) |
| Carol Stream to Overijse | 4,165.11 mi (6,703.09 km) |
| Carol Stream to Overpelt | 4,182.37 mi (6,730.88 km) |
| Carol Stream to Paal | 4,179.74 mi (6,726.65 km) |
| Carol Stream to Peer | 4,186.76 mi (6,737.94 km) |
| Carol Stream to Pepinster | 4,220.82 mi (6,792.75 km) |
| Carol Stream to Peruwelz | 4,138.88 mi (6,660.88 km) |
| Carol Stream to Perwez | 4,181.35 mi (6,729.24 km) |
| Carol Stream to Philippeville | 4,186.67 mi (6,737.79 km) |
