| Grumo Appula to Opwijk | 910.53 mi (1,465.36 km) |
| Grumo Appula to Ostend | 962.87 mi (1,549.60 km) |
| Grumo Appula to Oud-Heverlee | 889.06 mi (1,430.81 km) |
| Grumo Appula to Oud-Turnhout | 903.67 mi (1,454.32 km) |
| Grumo Appula to Oudenaarde | 923.53 mi (1,486.27 km) |
| Grumo Appula to Oudenburg | 958.32 mi (1,542.26 km) |
| Grumo Appula to Oupeye | 853.31 mi (1,373.28 km) |
| Grumo Appula to Overijse | 890.76 mi (1,433.54 km) |
| Grumo Appula to Overpelt | 885.97 mi (1,425.84 km) |
| Grumo Appula to Paal | 884.02 mi (1,422.70 km) |
| Grumo Appula to Peer | 880.59 mi (1,417.17 km) |
| Grumo Appula to Pepinster | 840.96 mi (1,353.40 km) |
| Grumo Appula to Peruwelz | 908.74 mi (1,462.47 km) |
| Grumo Appula to Perwez | 874.26 mi (1,406.99 km) |
| Grumo Appula to Philippeville | 862.42 mi (1,387.93 km) |
