| Enid to Opwijk | 4,780.94 mi (7,694.18 km) |
| Enid to Ostend | 4,724.99 mi (7,604.14 km) |
| Enid to Oud-Heverlee | 4,803.64 mi (7,730.71 km) |
| Enid to Oud-Turnhout | 4,796.95 mi (7,719.95 km) |
| Enid to Oudenaarde | 4,763.83 mi (7,666.65 km) |
| Enid to Oudenburg | 4,729.51 mi (7,611.40 km) |
| Enid to Oupeye | 4,844.03 mi (7,795.71 km) |
| Enid to Overijse | 4,800.63 mi (7,725.87 km) |
| Enid to Overpelt | 4,816.41 mi (7,751.27 km) |
| Enid to Paal | 4,814.31 mi (7,747.89 km) |
| Enid to Peer | 4,820.94 mi (7,758.55 km) |
| Enid to Pepinster | 4,855.79 mi (7,814.64 km) |
| Enid to Peruwelz | 4,775.54 mi (7,685.49 km) |
| Enid to Perwez | 4,816.96 mi (7,752.15 km) |
| Enid to Philippeville | 4,823.21 mi (7,762.21 km) |
