| Clearlake to Opwijk | 5,441.66 mi (8,757.50 km) |
| Clearlake to Ostend | 5,392.78 mi (8,678.83 km) |
| Clearlake to Oud-Heverlee | 5,462.12 mi (8,790.43 km) |
| Clearlake to Oud-Turnhout | 5,444.80 mi (8,762.55 km) |
| Clearlake to Oudenaarde | 5,431.68 mi (8,741.44 km) |
| Clearlake to Oudenburg | 5,397.27 mi (8,686.07 km) |
| Clearlake to Oupeye | 5,495.54 mi (8,844.22 km) |
| Clearlake to Overijse | 5,461.13 mi (8,788.83 km) |
| Clearlake to Overpelt | 5,461.91 mi (8,790.10 km) |
| Clearlake to Paal | 5,464.88 mi (8,794.88 km) |
| Clearlake to Peer | 5,467.44 mi (8,798.99 km) |
| Clearlake to Pepinster | 5,507.93 mi (8,864.16 km) |
| Clearlake to Peruwelz | 5,448.91 mi (8,769.18 km) |
| Clearlake to Perwez | 5,477.43 mi (8,815.08 km) |
| Clearlake to Philippeville | 5,492.87 mi (8,839.92 km) |
