| Biga to Opwijk | 1,330.26 mi (2,140.84 km) |
| Biga to Ostend | 1,387.61 mi (2,233.14 km) |
| Biga to Oud-Heverlee | 1,307.27 mi (2,103.85 km) |
| Biga to Oud-Turnhout | 1,309.69 mi (2,107.74 km) |
| Biga to Oudenaarde | 1,350.09 mi (2,172.76 km) |
| Biga to Oudenburg | 1,383.23 mi (2,226.10 km) |
| Biga to Oupeye | 1,265.13 mi (2,036.02 km) |
| Biga to Overijse | 1,311.08 mi (2,109.97 km) |
| Biga to Overpelt | 1,289.87 mi (2,075.85 km) |
| Biga to Paal | 1,293.70 mi (2,082.01 km) |
| Biga to Peer | 1,285.78 mi (2,069.26 km) |
| Biga to Pepinster | 1,253.95 mi (2,018.04 km) |
| Biga to Peruwelz | 1,341.66 mi (2,159.19 km) |
| Biga to Perwez | 1,295.26 mi (2,084.51 km) |
| Biga to Philippeville | 1,293.87 mi (2,082.29 km) |
