| Great Baddow to Octeville | 172.49 mi (277.59 km) |
| Great Baddow to Oignies | 138.19 mi (222.39 km) |
| Great Baddow to Oissel | 166.23 mi (267.53 km) |
| Great Baddow to Olivet | 273.50 mi (440.16 km) |
| Great Baddow to Ollioules | 642.76 mi (1,034.43 km) |
| Great Baddow to Olonne-sur-Mer | 372.59 mi (599.63 km) |
| Great Baddow to Oloron-Sainte-Marie | 591.28 mi (951.57 km) |
| Great Baddow to Onet Village | 517.07 mi (832.15 km) |
| Great Baddow to Onnaing | 162.71 mi (261.86 km) |
| Great Baddow to Orange | 560.12 mi (901.43 km) |
| Great Baddow to Orchies | 146.60 mi (235.94 km) |
| Great Baddow to Orleans | 270.99 mi (436.11 km) |
| Great Baddow to Orly | 221.80 mi (356.94 km) |
| Great Baddow to Ormesson-sur-Marne | 221.62 mi (356.67 km) |
| Great Baddow to Orsay | 221.54 mi (356.54 km) |
