| Newmarket to Opwijk | 184.42 mi (296.79 km) |
| Newmarket to Ostend | 128.41 mi (206.66 km) |
| Newmarket to Oud-Heverlee | 207.27 mi (333.57 km) |
| Newmarket to Oud-Turnhout | 205.70 mi (331.04 km) |
| Newmarket to Oudenaarde | 167.55 mi (269.65 km) |
| Newmarket to Oudenburg | 132.95 mi (213.96 km) |
| Newmarket to Oupeye | 248.90 mi (400.57 km) |
| Newmarket to Overijse | 204.01 mi (328.32 km) |
| Newmarket to Overpelt | 225.67 mi (363.18 km) |
| Newmarket to Paal | 220.50 mi (354.87 km) |
| Newmarket to Peer | 229.23 mi (368.91 km) |
| Newmarket to Pepinster | 260.20 mi (418.76 km) |
| Newmarket to Peruwelz | 181.61 mi (292.28 km) |
| Newmarket to Perwez | 220.28 mi (354.51 km) |
| Newmarket to Philippeville | 228.12 mi (367.13 km) |
