| Bals to Opwijk | 1,029.04 mi (1,656.07 km) |
| Bals to Ostend | 1,086.73 mi (1,748.92 km) |
| Bals to Oud-Heverlee | 1,006.13 mi (1,619.21 km) |
| Bals to Oud-Turnhout | 1,004.64 mi (1,616.81 km) |
| Bals to Oudenaarde | 1,050.72 mi (1,690.98 km) |
| Bals to Oudenburg | 1,082.51 mi (1,742.14 km) |
| Bals to Oupeye | 963.02 mi (1,549.83 km) |
| Bals to Overijse | 1,010.54 mi (1,626.31 km) |
| Bals to Overpelt | 984.67 mi (1,584.67 km) |
| Bals to Paal | 990.16 mi (1,593.51 km) |
| Bals to Peer | 981.07 mi (1,578.88 km) |
| Bals to Pepinster | 952.54 mi (1,532.97 km) |
| Bals to Peruwelz | 1,044.80 mi (1,681.44 km) |
| Bals to Perwez | 995.37 mi (1,601.89 km) |
| Bals to Philippeville | 997.77 mi (1,605.75 km) |
