| Adelphi to Opwijk | 3,845.40 mi (6,188.57 km) |
| Adelphi to Ostend | 3,787.79 mi (6,095.86 km) |
| Adelphi to Oud-Heverlee | 3,868.38 mi (6,225.56 km) |
| Adelphi to Oud-Turnhout | 3,868.68 mi (6,226.04 km) |
| Adelphi to Oudenaarde | 3,824.69 mi (6,155.24 km) |
| Adelphi to Oudenburg | 3,792.09 mi (6,102.78 km) |
| Adelphi to Oupeye | 3,911.13 mi (6,294.36 km) |
| Adelphi to Overijse | 3,864.27 mi (6,218.94 km) |
| Adelphi to Overpelt | 3,888.64 mi (6,258.16 km) |
| Adelphi to Paal | 3,883.47 mi (6,249.84 km) |
| Adelphi to Peer | 3,892.31 mi (6,264.07 km) |
| Adelphi to Pepinster | 3,921.93 mi (6,311.74 km) |
| Adelphi to Peruwelz | 3,832.40 mi (6,167.66 km) |
| Adelphi to Perwez | 3,879.82 mi (6,243.97 km) |
| Adelphi to Philippeville | 3,880.10 mi (6,244.42 km) |
