| Crest Hill to Opwijk | 4,161.25 mi (6,696.89 km) |
| Crest Hill to Ostend | 4,104.83 mi (6,606.09 km) |
| Crest Hill to Oud-Heverlee | 4,184.07 mi (6,733.61 km) |
| Crest Hill to Oud-Turnhout | 4,178.73 mi (6,725.01 km) |
| Crest Hill to Oudenaarde | 4,143.42 mi (6,668.18 km) |
| Crest Hill to Oudenburg | 4,109.32 mi (6,613.31 km) |
| Crest Hill to Oupeye | 4,225.03 mi (6,799.53 km) |
| Crest Hill to Overijse | 4,180.84 mi (6,728.42 km) |
| Crest Hill to Overpelt | 4,198.34 mi (6,756.58 km) |
| Crest Hill to Paal | 4,195.63 mi (6,752.22 km) |
| Crest Hill to Peer | 4,202.71 mi (6,763.61 km) |
| Crest Hill to Pepinster | 4,236.64 mi (6,818.21 km) |
| Crest Hill to Peruwelz | 4,154.42 mi (6,685.89 km) |
| Crest Hill to Perwez | 4,197.07 mi (6,754.54 km) |
| Crest Hill to Philippeville | 4,202.23 mi (6,762.83 km) |
