| Biggleswade to Opwijk | 205.84 mi (331.27 km) |
| Biggleswade to Ostend | 148.48 mi (238.96 km) |
| Biggleswade to Oud-Heverlee | 228.83 mi (368.27 km) |
| Biggleswade to Oud-Turnhout | 230.49 mi (370.94 km) |
| Biggleswade to Oudenaarde | 186.59 mi (300.29 km) |
| Biggleswade to Oudenburg | 152.89 mi (246.04 km) |
| Biggleswade to Oupeye | 271.41 mi (436.80 km) |
| Biggleswade to Overijse | 224.99 mi (362.09 km) |
| Biggleswade to Overpelt | 250.40 mi (402.97 km) |
| Biggleswade to Paal | 244.05 mi (392.76 km) |
| Biggleswade to Peer | 253.59 mi (408.12 km) |
| Biggleswade to Pepinster | 282.29 mi (454.30 km) |
| Biggleswade to Peruwelz | 198.08 mi (318.78 km) |
| Biggleswade to Perwez | 240.90 mi (387.69 km) |
| Biggleswade to Philippeville | 245.62 mi (395.29 km) |
