| Comarnic to Octeville | 1,302.37 mi (2,095.97 km) |
| Comarnic to Oignies | 1,104.63 mi (1,777.74 km) |
| Comarnic to Oissel | 1,178.61 mi (1,896.80 km) |
| Comarnic to Olivet | 1,137.36 mi (1,830.40 km) |
| Comarnic to Ollioules | 988.51 mi (1,590.85 km) |
| Comarnic to Olonne-sur-Mer | 1,314.36 mi (2,115.25 km) |
| Comarnic to Oloron-Sainte-Marie | 1,301.30 mi (2,094.24 km) |
| Comarnic to Onet Village | 1,127.30 mi (1,814.22 km) |
| Comarnic to Onnaing | 1,077.45 mi (1,733.99 km) |
| Comarnic to Orange | 1,022.90 mi (1,646.20 km) |
| Comarnic to Orchies | 1,093.87 mi (1,760.41 km) |
| Comarnic to Orleans | 1,136.98 mi (1,829.80 km) |
| Comarnic to Orly | 1,116.86 mi (1,797.41 km) |
| Comarnic to Ormesson-sur-Marne | 1,110.44 mi (1,787.08 km) |
| Comarnic to Orsay | 1,126.00 mi (1,812.13 km) |
