| Allen Park to Opwijk | 3,943.37 mi (6,346.24 km) |
| Allen Park to Ostend | 3,886.51 mi (6,254.73 km) |
| Allen Park to Oud-Heverlee | 3,966.28 mi (6,383.11 km) |
| Allen Park to Oud-Turnhout | 3,962.38 mi (6,376.83 km) |
| Allen Park to Oudenaarde | 3,924.75 mi (6,316.28 km) |
| Allen Park to Oudenburg | 3,890.96 mi (6,261.89 km) |
| Allen Park to Oupeye | 4,007.80 mi (6,449.93 km) |
| Allen Park to Overijse | 3,962.82 mi (6,377.54 km) |
| Allen Park to Overpelt | 3,982.13 mi (6,408.62 km) |
| Allen Park to Paal | 3,978.78 mi (6,403.22 km) |
| Allen Park to Peer | 3,986.33 mi (6,415.38 km) |
| Allen Park to Pepinster | 4,019.22 mi (6,468.31 km) |
| Allen Park to Peruwelz | 3,934.95 mi (6,332.69 km) |
| Allen Park to Perwez | 3,978.91 mi (6,403.44 km) |
| Allen Park to Philippeville | 3,982.84 mi (6,409.76 km) |
