| Marion to Opwijk | 4,266.97 mi (6,867.03 km) |
| Marion to Ostend | 4,211.12 mi (6,777.14 km) |
| Marion to Oud-Heverlee | 4,289.65 mi (6,903.52 km) |
| Marion to Oud-Turnhout | 4,282.78 mi (6,892.47 km) |
| Marion to Oudenaarde | 4,250.00 mi (6,839.71 km) |
| Marion to Oudenburg | 4,215.63 mi (6,784.41 km) |
| Marion to Oupeye | 4,329.95 mi (6,968.38 km) |
| Marion to Overijse | 4,286.68 mi (6,898.74 km) |
| Marion to Overpelt | 4,302.22 mi (6,923.75 km) |
| Marion to Paal | 4,300.19 mi (6,920.49 km) |
| Marion to Peer | 4,306.76 mi (6,931.07 km) |
| Marion to Pepinster | 4,341.73 mi (6,987.34 km) |
| Marion to Peruwelz | 4,261.85 mi (6,858.78 km) |
| Marion to Perwez | 4,303.02 mi (6,925.05 km) |
| Marion to Philippeville | 4,309.49 mi (6,935.45 km) |
