| Barberton to Octeville | 3,744.07 mi (6,025.49 km) |
| Barberton to Oignies | 3,906.67 mi (6,287.18 km) |
| Barberton to Oissel | 3,863.93 mi (6,218.39 km) |
| Barberton to Olivet | 3,941.96 mi (6,343.97 km) |
| Barberton to Ollioules | 4,267.16 mi (6,867.33 km) |
| Barberton to Olonne-sur-Mer | 3,827.45 mi (6,159.68 km) |
| Barberton to Oloron-Sainte-Marie | 3,982.58 mi (6,409.34 km) |
| Barberton to Onet Village | 4,084.22 mi (6,572.91 km) |
| Barberton to Onnaing | 3,933.05 mi (6,329.64 km) |
| Barberton to Orange | 4,187.35 mi (6,738.88 km) |
| Barberton to Orchies | 3,916.42 mi (6,302.87 km) |
| Barberton to Orleans | 3,941.11 mi (6,342.60 km) |
| Barberton to Orly | 3,934.99 mi (6,332.76 km) |
| Barberton to Ormesson-sur-Marne | 3,939.63 mi (6,340.23 km) |
| Barberton to Orsay | 3,928.02 mi (6,321.54 km) |
