| Hercules to Octeville | 5,384.11 mi (8,664.89 km) |
| Hercules to Oignies | 5,479.90 mi (8,819.05 km) |
| Hercules to Oissel | 5,482.19 mi (8,822.73 km) |
| Hercules to Olivet | 5,583.03 mi (8,985.02 km) |
| Hercules to Ollioules | 5,955.98 mi (9,585.22 km) |
| Hercules to Olonne-sur-Mer | 5,534.28 mi (8,906.57 km) |
| Hercules to Oloron-Sainte-Marie | 5,742.03 mi (9,240.91 km) |
| Hercules to Onet Village | 5,787.35 mi (9,313.84 km) |
| Hercules to Onnaing | 5,501.52 mi (8,853.83 km) |
| Hercules to Orange | 5,869.69 mi (9,446.35 km) |
| Hercules to Orchies | 5,486.82 mi (8,830.18 km) |
| Hercules to Orleans | 5,581.29 mi (8,982.22 km) |
| Hercules to Orly | 5,552.21 mi (8,935.42 km) |
| Hercules to Ormesson-sur-Marne | 5,554.38 mi (8,938.91 km) |
| Hercules to Orsay | 5,548.43 mi (8,929.34 km) |
