| Race to Octeville | 827.73 mi (1,332.10 km) |
| Race to Oignies | 643.04 mi (1,034.87 km) |
| Race to Oissel | 703.44 mi (1,132.07 km) |
| Race to Olivet | 653.83 mi (1,052.24 km) |
| Race to Ollioules | 533.26 mi (858.20 km) |
| Race to Olonne-sur-Mer | 828.53 mi (1,333.39 km) |
| Race to Oloron-Sainte-Marie | 827.66 mi (1,331.99 km) |
| Race to Onet Village | 650.18 mi (1,046.36 km) |
| Race to Onnaing | 616.19 mi (991.66 km) |
| Race to Orange | 551.54 mi (887.62 km) |
| Race to Orchies | 632.88 mi (1,018.52 km) |
| Race to Orleans | 653.61 mi (1,051.88 km) |
| Race to Orly | 638.12 mi (1,026.95 km) |
| Race to Ormesson-sur-Marne | 632.07 mi (1,017.22 km) |
| Race to Orsay | 646.86 mi (1,041.02 km) |
