| Hays to Opwijk | 4,704.73 mi (7,571.53 km) |
| Hays to Ostend | 4,649.50 mi (7,482.65 km) |
| Hays to Oud-Heverlee | 4,727.23 mi (7,607.74 km) |
| Hays to Oud-Turnhout | 4,718.90 mi (7,594.33 km) |
| Hays to Oudenaarde | 4,688.60 mi (7,545.57 km) |
| Hays to Oudenburg | 4,654.04 mi (7,489.96 km) |
| Hays to Oupeye | 4,766.82 mi (7,671.45 km) |
| Hays to Overijse | 4,724.51 mi (7,603.36 km) |
| Hays to Overpelt | 4,738.13 mi (7,625.28 km) |
| Hays to Paal | 4,736.78 mi (7,623.11 km) |
| Hays to Peer | 4,742.83 mi (7,632.85 km) |
| Hays to Pepinster | 4,778.75 mi (7,690.65 km) |
| Hays to Peruwelz | 4,701.22 mi (7,565.89 km) |
| Hays to Perwez | 4,740.94 mi (7,629.80 km) |
| Hays to Philippeville | 4,748.63 mi (7,642.18 km) |
