| Garches to Oignies | 117.84 mi (189.64 km) |
| Garches to Oissel | 60.27 mi (96.99 km) |
| Garches to Olivet | 69.09 mi (111.19 km) |
| Garches to Ollioules | 431.50 mi (694.44 km) |
| Garches to Olonne-sur-Mer | 243.62 mi (392.06 km) |
| Garches to Oloron-Sainte-Marie | 412.76 mi (664.27 km) |
| Garches to Onet Village | 310.14 mi (499.12 km) |
| Garches to Onnaing | 123.87 mi (199.35 km) |
| Garches to Orange | 348.29 mi (560.53 km) |
| Garches to Orchies | 122.09 mi (196.48 km) |
| Garches to Orleans | 66.40 mi (106.86 km) |
| Garches to Orly | 11.71 mi (18.85 km) |
| Garches to Ormesson-sur-Marne | 16.51 mi (26.57 km) |
| Garches to Orsay | 10.19 mi (16.40 km) |
| Garches to Orthez | 396.22 mi (637.65 km) |
