| Genc to Opwijk | 1,945.39 mi (3,130.79 km) |
| Genc to Ostend | 2,002.64 mi (3,222.94 km) |
| Genc to Oud-Heverlee | 1,922.90 mi (3,094.61 km) |
| Genc to Oud-Turnhout | 1,916.58 mi (3,084.44 km) |
| Genc to Oudenaarde | 1,968.78 mi (3,168.45 km) |
| Genc to Oudenburg | 1,998.67 mi (3,216.55 km) |
| Genc to Oupeye | 1,879.37 mi (3,024.56 km) |
| Genc to Overijse | 1,927.91 mi (3,102.68 km) |
| Genc to Overpelt | 1,896.77 mi (3,052.56 km) |
| Genc to Paal | 1,904.35 mi (3,064.75 km) |
| Genc to Peer | 1,893.90 mi (3,047.94 km) |
| Genc to Pepinster | 1,869.84 mi (3,009.22 km) |
| Genc to Peruwelz | 1,965.37 mi (3,162.96 km) |
| Genc to Perwez | 1,913.65 mi (3,079.72 km) |
| Genc to Philippeville | 1,919.56 mi (3,089.23 km) |
