| Ilioupoli to Opwijk | 1,312.34 mi (2,112.00 km) |
| Ilioupoli to Ostend | 1,367.56 mi (2,200.87 km) |
| Ilioupoli to Oud-Heverlee | 1,289.88 mi (2,075.86 km) |
| Ilioupoli to Oud-Turnhout | 1,299.13 mi (2,090.74 km) |
| Ilioupoli to Oudenaarde | 1,328.50 mi (2,138.02 km) |
| Ilioupoli to Oudenburg | 1,363.02 mi (2,193.57 km) |
| Ilioupoli to Oupeye | 1,250.65 mi (2,012.72 km) |
| Ilioupoli to Overijse | 1,292.55 mi (2,080.15 km) |
| Ilioupoli to Overpelt | 1,280.15 mi (2,060.20 km) |
| Ilioupoli to Paal | 1,280.87 mi (2,061.36 km) |
| Ilioupoli to Peer | 1,275.28 mi (2,052.37 km) |
| Ilioupoli to Pepinster | 1,238.64 mi (1,993.39 km) |
| Ilioupoli to Peruwelz | 1,316.23 mi (2,118.27 km) |
| Ilioupoli to Perwez | 1,276.11 mi (2,053.70 km) |
| Ilioupoli to Philippeville | 1,268.68 mi (2,041.74 km) |
