| Ocana to Octeville | 674.23 mi (1,085.07 km) |
| Ocana to Oignies | 791.31 mi (1,273.48 km) |
| Ocana to Oissel | 686.20 mi (1,104.34 km) |
| Ocana to Olivet | 608.43 mi (979.17 km) |
| Ocana to Ollioules | 530.43 mi (853.65 km) |
| Ocana to Olonne-sur-Mer | 462.75 mi (744.73 km) |
| Ocana to Oloron-Sainte-Marie | 268.93 mi (432.80 km) |
| Ocana to Onet Village | 435.75 mi (701.27 km) |
| Ocana to Onnaing | 798.39 mi (1,284.89 km) |
| Ocana to Orange | 514.47 mi (827.96 km) |
| Ocana to Orchies | 796.53 mi (1,281.89 km) |
| Ocana to Orleans | 610.96 mi (983.25 km) |
| Ocana to Orly | 672.75 mi (1,082.68 km) |
| Ocana to Ormesson-sur-Marne | 678.41 mi (1,091.80 km) |
| Ocana to Orsay | 665.64 mi (1,071.24 km) |
