| Barking to Octeville | 152.26 mi (245.04 km) |
| Barking to Oignies | 146.68 mi (236.06 km) |
| Barking to Oissel | 158.26 mi (254.69 km) |
| Barking to Olivet | 266.68 mi (429.18 km) |
| Barking to Ollioules | 639.67 mi (1,029.44 km) |
| Barking to Olonne-sur-Mer | 355.74 mi (572.51 km) |
| Barking to Oloron-Sainte-Marie | 577.53 mi (929.44 km) |
| Barking to Onet Village | 509.08 mi (819.29 km) |
| Barking to Onnaing | 172.53 mi (277.66 km) |
| Barking to Orange | 556.17 mi (895.07 km) |
| Barking to Orchies | 156.00 mi (251.05 km) |
| Barking to Orleans | 264.25 mi (425.27 km) |
| Barking to Orly | 218.63 mi (351.85 km) |
| Barking to Ormesson-sur-Marne | 219.18 mi (352.73 km) |
| Barking to Orsay | 217.40 mi (349.87 km) |
