| Barlad to Octeville | 1,368.38 mi (2,202.20 km) |
| Barlad to Oignies | 1,164.60 mi (1,874.24 km) |
| Barlad to Oissel | 1,245.91 mi (2,005.11 km) |
| Barlad to Olivet | 1,212.87 mi (1,951.92 km) |
| Barlad to Ollioules | 1,089.23 mi (1,752.95 km) |
| Barlad to Olonne-sur-Mer | 1,395.33 mi (2,245.57 km) |
| Barlad to Oloron-Sainte-Marie | 1,396.44 mi (2,247.35 km) |
| Barlad to Onet Village | 1,220.29 mi (1,963.87 km) |
| Barlad to Onnaing | 1,137.59 mi (1,830.78 km) |
| Barlad to Orange | 1,118.51 mi (1,800.08 km) |
| Barlad to Orchies | 1,153.66 mi (1,856.63 km) |
| Barlad to Orleans | 1,212.28 mi (1,950.98 km) |
| Barlad to Orly | 1,187.43 mi (1,910.98 km) |
| Barlad to Ormesson-sur-Marne | 1,180.75 mi (1,900.24 km) |
| Barlad to Orsay | 1,196.86 mi (1,926.15 km) |
