| Hillsborough to Opwijk | 3,684.46 mi (5,929.56 km) |
| Hillsborough to Ostend | 3,626.85 mi (5,836.85 km) |
| Hillsborough to Oud-Heverlee | 3,707.44 mi (5,966.55 km) |
| Hillsborough to Oud-Turnhout | 3,707.75 mi (5,967.05 km) |
| Hillsborough to Oudenaarde | 3,663.75 mi (5,896.23 km) |
| Hillsborough to Oudenburg | 3,631.15 mi (5,843.77 km) |
| Hillsborough to Oupeye | 3,750.19 mi (6,035.35 km) |
| Hillsborough to Overijse | 3,703.33 mi (5,959.93 km) |
| Hillsborough to Overpelt | 3,727.71 mi (5,999.17 km) |
| Hillsborough to Paal | 3,722.53 mi (5,990.84 km) |
| Hillsborough to Peer | 3,731.38 mi (6,005.08 km) |
| Hillsborough to Pepinster | 3,760.99 mi (6,052.73 km) |
| Hillsborough to Peruwelz | 3,671.47 mi (5,908.66 km) |
| Hillsborough to Perwez | 3,718.88 mi (5,984.96 km) |
| Hillsborough to Philippeville | 3,719.17 mi (5,985.42 km) |
