| Rockport to Oberkirch | 5,424.05 mi (8,729.16 km) |
| Rockport to Obernburg am Main | 5,420.55 mi (8,723.53 km) |
| Rockport to Obernkirchen | 5,336.15 mi (8,587.71 km) |
| Rockport to Oberschleissheim | 5,571.31 mi (8,966.16 km) |
| Rockport to Oberstdorf | 5,550.95 mi (8,933.39 km) |
| Rockport to Obertraubling | 5,568.17 mi (8,961.10 km) |
| Rockport to Obertshausen | 5,400.86 mi (8,691.84 km) |
| Rockport to Oberursel | 5,386.31 mi (8,668.43 km) |
| Rockport to Ochsenfurt | 5,462.81 mi (8,791.55 km) |
| Rockport to Ochsenhausen | 5,514.12 mi (8,874.12 km) |
| Rockport to Ochtrup | 5,266.82 mi (8,476.12 km) |
| Rockport to Odenthal | 5,302.51 mi (8,533.56 km) |
| Rockport to Oelde | 5,314.96 mi (8,553.60 km) |
| Rockport to Oelsnitz | 5,514.67 mi (8,875.00 km) |
| Rockport to Oer-Erkenschwick | 5,287.57 mi (8,509.51 km) |
