| Port Lavaca to Oberkirch | 5,375.58 mi (8,651.15 km) |
| Port Lavaca to Obernburg am Main | 5,371.93 mi (8,645.29 km) |
| Port Lavaca to Obernkirchen | 5,287.39 mi (8,509.23 km) |
| Port Lavaca to Oberschleissheim | 5,522.75 mi (8,888.00 km) |
| Port Lavaca to Oberstdorf | 5,502.50 mi (8,855.42 km) |
| Port Lavaca to Obertraubling | 5,519.53 mi (8,882.82 km) |
| Port Lavaca to Obertshausen | 5,352.23 mi (8,613.58 km) |
| Port Lavaca to Oberursel | 5,337.69 mi (8,590.18 km) |
| Port Lavaca to Ochsenfurt | 5,414.19 mi (8,713.29 km) |
| Port Lavaca to Ochsenhausen | 5,465.63 mi (8,796.07 km) |
| Port Lavaca to Ochtrup | 5,218.09 mi (8,397.71 km) |
| Port Lavaca to Odenthal | 5,253.86 mi (8,455.27 km) |
| Port Lavaca to Oelde | 5,266.24 mi (8,475.19 km) |
| Port Lavaca to Oelsnitz | 5,465.94 mi (8,796.58 km) |
| Port Lavaca to Oer-Erkenschwick | 5,238.87 mi (8,431.15 km) |
