| Bayou Blue to Octeville | 4,648.59 mi (7,481.18 km) |
| Bayou Blue to Oignies | 4,819.82 mi (7,756.74 km) |
| Bayou Blue to Oissel | 4,770.43 mi (7,677.26 km) |
| Bayou Blue to Olivet | 4,843.02 mi (7,794.08 km) |
| Bayou Blue to Ollioules | 5,152.22 mi (8,291.69 km) |
| Bayou Blue to Olonne-sur-Mer | 4,716.48 mi (7,590.44 km) |
| Bayou Blue to Oloron-Sainte-Marie | 4,854.68 mi (7,812.86 km) |
| Bayou Blue to Onet Village | 4,969.24 mi (7,997.23 km) |
| Bayou Blue to Onnaing | 4,846.54 mi (7,799.75 km) |
| Bayou Blue to Orange | 5,075.39 mi (8,168.05 km) |
| Bayou Blue to Orchies | 4,829.85 mi (7,772.90 km) |
| Bayou Blue to Orleans | 4,842.35 mi (7,793.01 km) |
| Bayou Blue to Orly | 4,840.57 mi (7,790.14 km) |
| Bayou Blue to Ormesson-sur-Marne | 4,845.57 mi (7,798.19 km) |
| Bayou Blue to Orsay | 4,833.14 mi (7,778.18 km) |
