| Knic to Octeville | 1,124.11 mi (1,809.09 km) |
| Knic to Oignies | 943.94 mi (1,519.12 km) |
| Knic to Oissel | 1,000.13 mi (1,609.56 km) |
| Knic to Olivet | 942.36 mi (1,516.58 km) |
| Knic to Ollioules | 745.83 mi (1,200.29 km) |
| Knic to Olonne-sur-Mer | 1,105.37 mi (1,778.92 km) |
| Knic to Oloron-Sainte-Marie | 1,065.91 mi (1,715.42 km) |
| Knic to Onet Village | 897.30 mi (1,444.07 km) |
| Knic to Onnaing | 917.18 mi (1,476.05 km) |
| Knic to Orange | 789.15 mi (1,270.02 km) |
| Knic to Orchies | 933.87 mi (1,502.91 km) |
| Knic to Orleans | 942.44 mi (1,516.71 km) |
| Knic to Orly | 932.81 mi (1,501.21 km) |
| Knic to Ormesson-sur-Marne | 927.10 mi (1,492.02 km) |
| Knic to Orsay | 941.14 mi (1,514.62 km) |
