| Valka to Opwijk | 989.77 mi (1,592.88 km) |
| Valka to Ostend | 1,023.66 mi (1,647.42 km) |
| Valka to Oud-Heverlee | 978.54 mi (1,574.81 km) |
| Valka to Oud-Turnhout | 947.51 mi (1,524.86 km) |
| Valka to Oudenaarde | 1,014.96 mi (1,633.41 km) |
| Valka to Oudenburg | 1,022.50 mi (1,645.56 km) |
| Valka to Oupeye | 950.30 mi (1,529.36 km) |
| Valka to Overijse | 985.26 mi (1,585.63 km) |
| Valka to Overpelt | 936.56 mi (1,507.25 km) |
| Valka to Paal | 952.39 mi (1,532.73 km) |
| Valka to Peer | 938.78 mi (1,510.82 km) |
| Valka to Pepinster | 950.55 mi (1,529.76 km) |
| Valka to Peruwelz | 1,029.47 mi (1,656.77 km) |
| Valka to Perwez | 982.31 mi (1,580.87 km) |
| Valka to Philippeville | 1,009.77 mi (1,625.07 km) |
