| Denison to Octeville | 4,687.70 mi (7,544.12 km) |
| Denison to Oignies | 4,842.15 mi (7,792.68 km) |
| Denison to Oissel | 4,805.65 mi (7,733.94 km) |
| Denison to Olivet | 4,887.42 mi (7,865.54 km) |
| Denison to Ollioules | 5,220.09 mi (8,400.93 km) |
| Denison to Olonne-sur-Mer | 4,779.64 mi (7,692.09 km) |
| Denison to Oloron-Sainte-Marie | 4,939.91 mi (7,950.02 km) |
| Denison to Onet Village | 5,037.51 mi (8,107.08 km) |
| Denison to Onnaing | 4,868.07 mi (7,834.40 km) |
| Denison to Orange | 5,139.21 mi (8,270.75 km) |
| Denison to Orchies | 4,851.56 mi (7,807.83 km) |
| Denison to Orleans | 4,886.45 mi (7,863.97 km) |
| Denison to Orly | 4,877.22 mi (7,849.13 km) |
| Denison to Ormesson-sur-Marne | 4,881.56 mi (7,856.12 km) |
| Denison to Orsay | 4,870.62 mi (7,838.51 km) |
