| Sparks to Opwijk | 5,323.56 mi (8,567.45 km) |
| Sparks to Ostend | 5,273.83 mi (8,487.41 km) |
| Sparks to Oud-Heverlee | 5,344.32 mi (8,600.85 km) |
| Sparks to Oud-Turnhout | 5,327.91 mi (8,574.45 km) |
| Sparks to Oudenaarde | 5,312.88 mi (8,550.26 km) |
| Sparks to Oudenburg | 5,278.35 mi (8,494.68 km) |
| Sparks to Oupeye | 5,378.52 mi (8,655.90 km) |
| Sparks to Overijse | 5,343.13 mi (8,598.94 km) |
| Sparks to Overpelt | 5,345.32 mi (8,602.46 km) |
| Sparks to Paal | 5,347.83 mi (8,606.49 km) |
| Sparks to Peer | 5,350.77 mi (8,611.24 km) |
| Sparks to Pepinster | 5,390.91 mi (8,675.83 km) |
| Sparks to Peruwelz | 5,329.68 mi (8,577.29 km) |
| Sparks to Perwez | 5,359.51 mi (8,625.30 km) |
| Sparks to Philippeville | 5,374.16 mi (8,648.87 km) |
