| Maardu to Oignies | 1,064.29 mi (1,712.81 km) |
| Maardu to Oissel | 1,179.23 mi (1,897.79 km) |
| Maardu to Olivet | 1,229.33 mi (1,978.42 km) |
| Maardu to Ollioules | 1,389.08 mi (2,235.51 km) |
| Maardu to Olonne-sur-Mer | 1,411.55 mi (2,271.67 km) |
| Maardu to Oloron-Sainte-Marie | 1,558.79 mi (2,508.64 km) |
| Maardu to Onet Village | 1,401.71 mi (2,255.84 km) |
| Maardu to Onnaing | 1,049.28 mi (1,688.65 km) |
| Maardu to Orange | 1,355.59 mi (2,181.61 km) |
| Maardu to Orchies | 1,056.14 mi (1,699.69 km) |
| Maardu to Orleans | 1,227.06 mi (1,974.76 km) |
| Maardu to Orly | 1,168.78 mi (1,880.97 km) |
| Maardu to Ormesson-sur-Marne | 1,162.19 mi (1,870.36 km) |
| Maardu to Orsay | 1,177.41 mi (1,894.86 km) |
| Maardu to Orthez | 1,546.95 mi (2,489.58 km) |
