| Norco to Opwijk | 5,587.56 mi (8,992.31 km) |
| Norco to Ostend | 5,535.63 mi (8,908.74 km) |
| Norco to Oud-Heverlee | 5,609.03 mi (9,026.87 km) |
| Norco to Oud-Turnhout | 5,595.24 mi (9,004.67 km) |
| Norco to Oudenaarde | 5,574.95 mi (8,972.02 km) |
| Norco to Oudenburg | 5,540.19 mi (8,916.07 km) |
| Norco to Oupeye | 5,645.27 mi (9,085.19 km) |
| Norco to Overijse | 5,607.32 mi (9,024.11 km) |
| Norco to Overpelt | 5,613.37 mi (9,033.84 km) |
| Norco to Paal | 5,614.60 mi (9,035.83 km) |
| Norco to Peer | 5,618.61 mi (9,042.28 km) |
| Norco to Pepinster | 5,657.59 mi (9,105.00 km) |
| Norco to Peruwelz | 5,590.42 mi (8,996.91 km) |
| Norco to Perwez | 5,623.82 mi (9,050.67 km) |
| Norco to Philippeville | 5,636.18 mi (9,070.56 km) |
