| Bayou Blue to Oerlinghausen | 5,001.61 mi (8,049.31 km) |
| Bayou Blue to Oestrich-Winkel | 5,034.90 mi (8,102.89 km) |
| Bayou Blue to Offenburg | 5,078.87 mi (8,173.66 km) |
| Bayou Blue to Oftersheim | 5,077.57 mi (8,171.56 km) |
| Bayou Blue to Ohrdruf | 5,116.54 mi (8,234.27 km) |
| Bayou Blue to Ohringen | 5,119.70 mi (8,239.35 km) |
| Bayou Blue to Olbernhau | 5,221.75 mi (8,403.59 km) |
| Bayou Blue to Olching | 5,225.24 mi (8,409.21 km) |
| Bayou Blue to Oldenburg | 4,949.39 mi (7,965.28 km) |
| Bayou Blue to Oldenburg in Holstein | 5,012.49 mi (8,066.82 km) |
| Bayou Blue to Olfen | 4,959.56 mi (7,981.64 km) |
| Bayou Blue to Olpe | 4,997.78 mi (8,043.15 km) |
| Bayou Blue to Olsberg | 5,013.14 mi (8,067.87 km) |
| Bayou Blue to Oranienburg | 5,147.83 mi (8,284.63 km) |
| Bayou Blue to Ortenberg | 5,065.89 mi (8,152.77 km) |
