| Prior Lake to Opwijk | 4,203.65 mi (6,765.12 km) |
| Prior Lake to Ostend | 4,148.71 mi (6,676.70 km) |
| Prior Lake to Oud-Heverlee | 4,226.07 mi (6,801.21 km) |
| Prior Lake to Oud-Turnhout | 4,217.21 mi (6,786.95 km) |
| Prior Lake to Oudenaarde | 4,187.87 mi (6,739.73 km) |
| Prior Lake to Oudenburg | 4,153.26 mi (6,684.02 km) |
| Prior Lake to Oupeye | 4,265.38 mi (6,864.47 km) |
| Prior Lake to Overijse | 4,223.45 mi (6,796.99 km) |
| Prior Lake to Overpelt | 4,236.36 mi (6,817.77 km) |
| Prior Lake to Paal | 4,235.25 mi (6,815.97 km) |
| Prior Lake to Peer | 4,241.12 mi (6,825.43 km) |
| Prior Lake to Pepinster | 4,277.36 mi (6,883.75 km) |
| Prior Lake to Peruwelz | 4,200.83 mi (6,760.59 km) |
| Prior Lake to Perwez | 4,239.91 mi (6,823.48 km) |
| Prior Lake to Philippeville | 4,248.11 mi (6,836.67 km) |
