| Chelsea to Octeville | 3,247.01 mi (5,225.56 km) |
| Chelsea to Oignies | 3,420.39 mi (5,504.59 km) |
| Chelsea to Oissel | 3,369.11 mi (5,422.05 km) |
| Chelsea to Olivet | 3,441.13 mi (5,537.96 km) |
| Chelsea to Ollioules | 3,752.64 mi (6,039.29 km) |
| Chelsea to Olonne-sur-Mer | 3,315.68 mi (5,336.07 km) |
| Chelsea to Oloron-Sainte-Marie | 3,459.33 mi (5,567.26 km) |
| Chelsea to Onet Village | 3,569.55 mi (5,744.63 km) |
| Chelsea to Onnaing | 3,447.24 mi (5,547.79 km) |
| Chelsea to Orange | 3,675.01 mi (5,914.36 km) |
| Chelsea to Orchies | 3,430.54 mi (5,520.92 km) |
| Chelsea to Orleans | 3,440.47 mi (5,536.91 km) |
| Chelsea to Orly | 3,439.07 mi (5,534.64 km) |
| Chelsea to Ormesson-sur-Marne | 3,444.12 mi (5,542.78 km) |
| Chelsea to Orsay | 3,431.57 mi (5,522.58 km) |
