| Grafton to Opwijk | 4,072.56 mi (6,554.15 km) |
| Grafton to Ostend | 4,016.45 mi (6,463.85 km) |
| Grafton to Oud-Heverlee | 4,095.30 mi (6,590.75 km) |
| Grafton to Oud-Turnhout | 4,089.11 mi (6,580.78 km) |
| Grafton to Oudenaarde | 4,055.21 mi (6,526.23 km) |
| Grafton to Oudenburg | 4,020.95 mi (6,471.10 km) |
| Grafton to Oupeye | 4,135.90 mi (6,656.09 km) |
| Grafton to Overijse | 4,092.22 mi (6,585.79 km) |
| Grafton to Overpelt | 4,108.63 mi (6,612.20 km) |
| Grafton to Paal | 4,106.30 mi (6,608.45 km) |
| Grafton to Peer | 4,113.10 mi (6,619.39 km) |
| Grafton to Pepinster | 4,147.61 mi (6,674.93 km) |
| Grafton to Peruwelz | 4,066.70 mi (6,544.72 km) |
| Grafton to Perwez | 4,108.52 mi (6,612.02 km) |
| Grafton to Philippeville | 4,114.42 mi (6,621.52 km) |
