| Fort Oglethorpe to Opwijk | 4,370.91 mi (7,034.30 km) |
| Fort Oglethorpe to Ostend | 4,313.42 mi (6,941.78 km) |
| Fort Oglethorpe to Oud-Heverlee | 4,393.90 mi (7,071.30 km) |
| Fort Oglethorpe to Oud-Turnhout | 4,393.04 mi (7,069.91 km) |
| Fort Oglethorpe to Oudenaarde | 4,350.73 mi (7,001.82 km) |
| Fort Oglethorpe to Oudenburg | 4,317.77 mi (6,948.78 km) |
| Fort Oglethorpe to Oupeye | 4,436.37 mi (7,139.66 km) |
| Fort Oglethorpe to Overijse | 4,389.96 mi (7,064.95 km) |
| Fort Oglethorpe to Overpelt | 4,412.97 mi (7,101.98 km) |
| Fort Oglethorpe to Paal | 4,408.30 mi (7,094.47 km) |
| Fort Oglethorpe to Peer | 4,416.79 mi (7,108.14 km) |
| Fort Oglethorpe to Pepinster | 4,447.36 mi (7,157.33 km) |
| Fort Oglethorpe to Peruwelz | 4,359.10 mi (7,015.29 km) |
| Fort Oglethorpe to Perwez | 4,405.68 mi (7,090.25 km) |
| Fort Oglethorpe to Philippeville | 4,406.91 mi (7,092.23 km) |
