| Mamoudzou to Octeville | 5,163.39 mi (8,309.67 km) |
| Mamoudzou to Oignies | 5,057.82 mi (8,139.77 km) |
| Mamoudzou to Oissel | 5,060.98 mi (8,144.86 km) |
| Mamoudzou to Olivet | 4,962.61 mi (7,986.54 km) |
| Mamoudzou to Ollioules | 4,594.50 mi (7,394.14 km) |
| Mamoudzou to Olonne-sur-Mer | 5,024.73 mi (8,086.53 km) |
| Mamoudzou to Oloron-Sainte-Marie | 4,828.34 mi (7,770.46 km) |
| Mamoudzou to Onet Village | 4,767.94 mi (7,673.26 km) |
| Mamoudzou to Onnaing | 5,035.57 mi (8,103.97 km) |
| Mamoudzou to Orange | 4,680.38 mi (7,532.35 km) |
| Mamoudzou to Orchies | 5,050.57 mi (8,128.10 km) |
| Mamoudzou to Orleans | 4,964.23 mi (7,989.15 km) |
| Mamoudzou to Orly | 4,990.17 mi (8,030.90 km) |
| Mamoudzou to Ormesson-sur-Marne | 4,987.64 mi (8,026.83 km) |
| Mamoudzou to Orsay | 4,994.43 mi (8,037.75 km) |
