| Barberton to Opwijk | 3,938.39 mi (6,338.23 km) |
| Barberton to Ostend | 3,881.22 mi (6,246.22 km) |
| Barberton to Oud-Heverlee | 3,961.36 mi (6,375.19 km) |
| Barberton to Oud-Turnhout | 3,958.75 mi (6,370.99 km) |
| Barberton to Oudenaarde | 3,919.10 mi (6,307.19 km) |
| Barberton to Oudenburg | 3,885.63 mi (6,253.32 km) |
| Barberton to Oupeye | 4,003.32 mi (6,442.72 km) |
| Barberton to Overijse | 3,957.69 mi (6,369.29 km) |
| Barberton to Overpelt | 3,978.59 mi (6,402.93 km) |
| Barberton to Paal | 3,974.67 mi (6,396.62 km) |
| Barberton to Peer | 3,982.64 mi (6,409.43 km) |
| Barberton to Pepinster | 4,014.57 mi (6,460.82 km) |
| Barberton to Peruwelz | 3,928.54 mi (6,322.38 km) |
| Barberton to Perwez | 3,973.64 mi (6,394.96 km) |
| Barberton to Philippeville | 3,976.44 mi (6,399.47 km) |
