| Bayou Blue to Oberkirch | 5,082.98 mi (8,180.27 km) |
| Bayou Blue to Obernburg am Main | 5,085.30 mi (8,184.00 km) |
| Bayou Blue to Obernkirchen | 5,009.74 mi (8,062.41 km) |
| Bayou Blue to Oberschleissheim | 5,233.67 mi (8,422.78 km) |
| Bayou Blue to Oberstdorf | 5,208.83 mi (8,382.81 km) |
| Bayou Blue to Obertraubling | 5,233.77 mi (8,422.94 km) |
| Bayou Blue to Obertshausen | 5,066.04 mi (8,153.00 km) |
| Bayou Blue to Oberursel | 5,051.67 mi (8,129.88 km) |
| Bayou Blue to Ochsenfurt | 5,128.06 mi (8,252.81 km) |
| Bayou Blue to Ochsenhausen | 5,173.79 mi (8,326.42 km) |
| Bayou Blue to Ochtrup | 4,937.89 mi (7,946.76 km) |
| Bayou Blue to Odenthal | 4,969.13 mi (7,997.05 km) |
| Bayou Blue to Oelde | 4,985.76 mi (8,023.80 km) |
| Bayou Blue to Oelsnitz | 5,185.37 mi (8,345.04 km) |
| Bayou Blue to Oer-Erkenschwick | 4,956.59 mi (7,976.86 km) |
