| Alcoa to Octeville | 4,072.89 mi (6,554.68 km) |
| Alcoa to Oignies | 4,242.99 mi (6,828.43 km) |
| Alcoa to Oissel | 4,194.44 mi (6,750.31 km) |
| Alcoa to Olivet | 4,268.01 mi (6,868.70 km) |
| Alcoa to Ollioules | 4,581.14 mi (7,372.63 km) |
| Alcoa to Olonne-sur-Mer | 4,144.07 mi (6,669.24 km) |
| Alcoa to Oloron-Sainte-Marie | 4,287.07 mi (6,899.37 km) |
| Alcoa to Onet Village | 4,398.04 mi (7,077.97 km) |
| Alcoa to Onnaing | 4,269.68 mi (6,871.39 km) |
| Alcoa to Orange | 4,503.47 mi (7,247.63 km) |
| Alcoa to Orchies | 4,253.00 mi (6,844.54 km) |
| Alcoa to Orleans | 4,267.31 mi (6,867.57 km) |
| Alcoa to Orly | 4,264.75 mi (6,863.46 km) |
| Alcoa to Ormesson-sur-Marne | 4,269.70 mi (6,871.42 km) |
| Alcoa to Orsay | 4,257.39 mi (6,851.61 km) |
