| Alpharetta to Opwijk | 4,374.10 mi (7,039.44 km) |
| Alpharetta to Ostend | 4,316.52 mi (6,946.77 km) |
| Alpharetta to Oud-Heverlee | 4,397.09 mi (7,076.43 km) |
| Alpharetta to Oud-Turnhout | 4,397.05 mi (7,076.37 km) |
| Alpharetta to Oudenaarde | 4,353.53 mi (7,006.33 km) |
| Alpharetta to Oudenburg | 4,320.83 mi (6,953.71 km) |
| Alpharetta to Oupeye | 4,439.77 mi (7,145.12 km) |
| Alpharetta to Overijse | 4,393.02 mi (7,069.88 km) |
| Alpharetta to Overpelt | 4,417.00 mi (7,108.48 km) |
| Alpharetta to Paal | 4,411.98 mi (7,100.40 km) |
| Alpharetta to Peer | 4,420.72 mi (7,114.46 km) |
| Alpharetta to Pepinster | 4,450.62 mi (7,162.58 km) |
| Alpharetta to Peruwelz | 4,361.40 mi (7,019.00 km) |
| Alpharetta to Perwez | 4,408.62 mi (7,094.98 km) |
| Alpharetta to Philippeville | 4,409.13 mi (7,095.80 km) |
