| Allen to Octeville | 4,724.11 mi (7,602.71 km) |
| Allen to Oignies | 4,879.63 mi (7,853.00 km) |
| Allen to Oissel | 4,842.34 mi (7,793.00 km) |
| Allen to Olivet | 4,923.58 mi (7,923.73 km) |
| Allen to Ollioules | 5,254.87 mi (8,456.90 km) |
| Allen to Olonne-sur-Mer | 4,814.55 mi (7,748.26 km) |
| Allen to Oloron-Sainte-Marie | 4,973.37 mi (8,003.87 km) |
| Allen to Onet Village | 5,072.18 mi (8,162.89 km) |
| Allen to Onnaing | 4,905.61 mi (7,894.81 km) |
| Allen to Orange | 5,174.22 mi (8,327.10 km) |
| Allen to Orchies | 4,889.08 mi (7,868.22 km) |
| Allen to Orleans | 4,922.63 mi (7,922.20 km) |
| Allen to Orly | 4,913.86 mi (7,908.09 km) |
| Allen to Ormesson-sur-Marne | 4,918.24 mi (7,915.15 km) |
| Allen to Orsay | 4,907.21 mi (7,897.39 km) |
