| Bostonia to Opwijk | 5,632.83 mi (9,065.16 km) |
| Bostonia to Ostend | 5,580.46 mi (8,980.87 km) |
| Bostonia to Oud-Heverlee | 5,654.45 mi (9,099.95 km) |
| Bostonia to Oud-Turnhout | 5,641.26 mi (9,078.73 km) |
| Bostonia to Oudenaarde | 5,619.79 mi (9,044.19 km) |
| Bostonia to Oudenburg | 5,585.01 mi (8,988.21 km) |
| Bostonia to Oupeye | 5,691.12 mi (9,158.97 km) |
| Bostonia to Overijse | 5,652.62 mi (9,097.01 km) |
| Bostonia to Overpelt | 5,659.53 mi (9,108.13 km) |
| Bostonia to Paal | 5,660.48 mi (9,109.65 km) |
| Bostonia to Peer | 5,664.72 mi (9,116.48 km) |
| Bostonia to Pepinster | 5,703.40 mi (9,178.73 km) |
| Bostonia to Peruwelz | 5,634.95 mi (9,068.58 km) |
| Bostonia to Perwez | 5,669.13 mi (9,123.58 km) |
| Bostonia to Philippeville | 5,680.96 mi (9,142.63 km) |
