| Lake Charles to Octeville | 4,726.88 mi (7,607.17 km) |
| Lake Charles to Oignies | 4,893.23 mi (7,874.89 km) |
| Lake Charles to Oissel | 4,847.72 mi (7,801.66 km) |
| Lake Charles to Olivet | 4,923.21 mi (7,923.13 km) |
| Lake Charles to Ollioules | 5,239.84 mi (8,432.71 km) |
| Lake Charles to Olonne-sur-Mer | 4,802.08 mi (7,728.21 km) |
| Lake Charles to Oloron-Sainte-Marie | 4,946.94 mi (7,961.33 km) |
| Lake Charles to Onet Village | 5,056.73 mi (8,138.01 km) |
| Lake Charles to Onnaing | 4,919.75 mi (7,917.57 km) |
| Lake Charles to Orange | 5,161.71 mi (8,306.98 km) |
| Lake Charles to Orchies | 4,903.09 mi (7,890.76 km) |
| Lake Charles to Orleans | 4,922.45 mi (7,921.92 km) |
| Lake Charles to Orly | 4,918.41 mi (7,915.41 km) |
| Lake Charles to Ormesson-sur-Marne | 4,923.22 mi (7,923.15 km) |
| Lake Charles to Orsay | 4,911.22 mi (7,903.84 km) |
