| North Royalton to Opwijk | 3,929.98 mi (6,324.70 km) |
| North Royalton to Ostend | 3,872.86 mi (6,232.76 km) |
| North Royalton to Oud-Heverlee | 3,952.94 mi (6,361.65 km) |
| North Royalton to Oud-Turnhout | 3,950.11 mi (6,357.08 km) |
| North Royalton to Oudenaarde | 3,910.81 mi (6,293.84 km) |
| North Royalton to Oudenburg | 3,877.27 mi (6,239.87 km) |
| North Royalton to Oupeye | 3,994.83 mi (6,429.06 km) |
| North Royalton to Overijse | 3,949.31 mi (6,355.80 km) |
| North Royalton to Overpelt | 3,969.94 mi (6,389.00 km) |
| North Royalton to Paal | 3,966.12 mi (6,382.85 km) |
| North Royalton to Peer | 3,974.01 mi (6,395.55 km) |
| North Royalton to Pepinster | 4,006.11 mi (6,447.21 km) |
| North Royalton to Peruwelz | 3,920.38 mi (6,309.24 km) |
| North Royalton to Perwez | 3,965.29 mi (6,381.51 km) |
| North Royalton to Philippeville | 3,968.28 mi (6,386.33 km) |
