| Columbus to Octeville | 3,844.92 mi (6,187.80 km) |
| Columbus to Oignies | 4,007.85 mi (6,450.01 km) |
| Columbus to Oissel | 3,964.87 mi (6,380.85 km) |
| Columbus to Olivet | 4,042.68 mi (6,506.06 km) |
| Columbus to Ollioules | 4,367.09 mi (7,028.15 km) |
| Columbus to Olonne-sur-Mer | 3,927.52 mi (6,320.73 km) |
| Columbus to Oloron-Sainte-Marie | 4,081.64 mi (6,568.76 km) |
| Columbus to Onet Village | 4,184.11 mi (6,733.67 km) |
| Columbus to Onnaing | 4,034.24 mi (6,492.49 km) |
| Columbus to Orange | 4,287.43 mi (6,899.95 km) |
| Columbus to Orchies | 4,017.61 mi (6,465.72 km) |
| Columbus to Orleans | 4,041.84 mi (6,504.71 km) |
| Columbus to Orly | 4,035.91 mi (6,495.17 km) |
| Columbus to Ormesson-sur-Marne | 4,040.56 mi (6,502.66 km) |
| Columbus to Orsay | 4,028.92 mi (6,483.91 km) |
