| Sulphur to Octeville | 4,731.56 mi (7,614.70 km) |
| Sulphur to Oignies | 4,897.63 mi (7,881.98 km) |
| Sulphur to Oissel | 4,852.34 mi (7,809.09 km) |
| Sulphur to Olivet | 4,927.98 mi (7,930.82 km) |
| Sulphur to Ollioules | 5,245.02 mi (8,441.05 km) |
| Sulphur to Olonne-sur-Mer | 4,807.16 mi (7,736.38 km) |
| Sulphur to Oloron-Sainte-Marie | 4,952.38 mi (7,970.09 km) |
| Sulphur to Onet Village | 5,061.90 mi (8,146.34 km) |
| Sulphur to Onnaing | 4,924.14 mi (7,924.63 km) |
| Sulphur to Orange | 5,166.82 mi (8,315.20 km) |
| Sulphur to Orchies | 4,907.48 mi (7,897.83 km) |
| Sulphur to Orleans | 4,927.22 mi (7,929.60 km) |
| Sulphur to Orly | 4,923.05 mi (7,922.89 km) |
| Sulphur to Ormesson-sur-Marne | 4,927.85 mi (7,930.61 km) |
| Sulphur to Orsay | 4,915.88 mi (7,911.34 km) |
