| Keizer to Opwijk | 5,094.84 mi (8,199.35 km) |
| Keizer to Ostend | 5,047.92 mi (8,123.84 km) |
| Keizer to Oud-Heverlee | 5,114.62 mi (8,231.19 km) |
| Keizer to Oud-Turnhout | 5,095.43 mi (8,200.30 km) |
| Keizer to Oudenaarde | 5,086.38 mi (8,185.74 km) |
| Keizer to Oudenburg | 5,052.36 mi (8,130.99 km) |
| Keizer to Oupeye | 5,146.31 mi (8,282.19 km) |
| Keizer to Overijse | 5,114.04 mi (8,230.25 km) |
| Keizer to Overpelt | 5,111.90 mi (8,226.81 km) |
| Keizer to Paal | 5,115.82 mi (8,233.11 km) |
| Keizer to Peer | 5,117.56 mi (8,235.92 km) |
| Keizer to Pepinster | 5,158.69 mi (8,302.11 km) |
| Keizer to Peruwelz | 5,104.52 mi (8,214.94 km) |
| Keizer to Perwez | 5,130.16 mi (8,256.19 km) |
| Keizer to Philippeville | 5,147.23 mi (8,283.67 km) |
