| Dunkirk to Octeville | 3,589.36 mi (5,776.51 km) |
| Dunkirk to Oignies | 3,751.68 mi (6,037.75 km) |
| Dunkirk to Oissel | 3,709.12 mi (5,969.26 km) |
| Dunkirk to Olivet | 3,787.39 mi (6,095.21 km) |
| Dunkirk to Ollioules | 4,113.51 mi (6,620.06 km) |
| Dunkirk to Olonne-sur-Mer | 3,673.63 mi (5,912.14 km) |
| Dunkirk to Oloron-Sainte-Marie | 3,830.06 mi (6,163.89 km) |
| Dunkirk to Onet Village | 3,930.62 mi (6,325.72 km) |
| Dunkirk to Onnaing | 3,778.06 mi (6,080.20 km) |
| Dunkirk to Orange | 4,033.51 mi (6,491.30 km) |
| Dunkirk to Orchies | 3,761.43 mi (6,053.44 km) |
| Dunkirk to Orleans | 3,786.53 mi (6,093.83 km) |
| Dunkirk to Orly | 3,780.22 mi (6,083.68 km) |
| Dunkirk to Ormesson-sur-Marne | 3,784.85 mi (6,091.12 km) |
| Dunkirk to Orsay | 3,773.26 mi (6,072.48 km) |
