| Marlborough to Opwijk | 3,479.33 mi (5,599.44 km) |
| Marlborough to Ostend | 3,421.72 mi (5,506.72 km) |
| Marlborough to Oud-Heverlee | 3,502.31 mi (5,636.42 km) |
| Marlborough to Oud-Turnhout | 3,502.64 mi (5,636.96 km) |
| Marlborough to Oudenaarde | 3,458.62 mi (5,566.10 km) |
| Marlborough to Oudenburg | 3,426.02 mi (5,513.64 km) |
| Marlborough to Oupeye | 3,545.07 mi (5,705.23 km) |
| Marlborough to Overijse | 3,498.19 mi (5,629.80 km) |
| Marlborough to Overpelt | 3,522.61 mi (5,669.09 km) |
| Marlborough to Paal | 3,517.41 mi (5,660.73 km) |
| Marlborough to Peer | 3,526.27 mi (5,674.98 km) |
| Marlborough to Pepinster | 3,555.86 mi (5,722.60 km) |
| Marlborough to Peruwelz | 3,466.34 mi (5,578.54 km) |
| Marlborough to Perwez | 3,513.75 mi (5,654.83 km) |
| Marlborough to Philippeville | 3,514.05 mi (5,655.31 km) |
