| Cheat Lake to Oberkirch | 4,160.90 mi (6,696.33 km) |
| Cheat Lake to Obernburg am Main | 4,161.49 mi (6,697.26 km) |
| Cheat Lake to Obernkirchen | 4,084.70 mi (6,573.69 km) |
| Cheat Lake to Oberschleissheim | 4,310.52 mi (6,937.12 km) |
| Cheat Lake to Oberstdorf | 4,287.20 mi (6,899.59 km) |
| Cheat Lake to Obertraubling | 4,309.81 mi (6,935.96 km) |
| Cheat Lake to Obertshausen | 4,142.12 mi (6,666.09 km) |
| Cheat Lake to Oberursel | 4,127.71 mi (6,642.90 km) |
| Cheat Lake to Ochsenfurt | 4,204.14 mi (6,765.91 km) |
| Cheat Lake to Ochsenhausen | 4,251.48 mi (6,842.10 km) |
| Cheat Lake to Ochtrup | 4,013.01 mi (6,458.32 km) |
| Cheat Lake to Odenthal | 4,044.89 mi (6,509.62 km) |
| Cheat Lake to Oelde | 4,060.92 mi (6,535.42 km) |
| Cheat Lake to Oelsnitz | 4,260.57 mi (6,856.73 km) |
| Cheat Lake to Oer-Erkenschwick | 4,031.96 mi (6,488.81 km) |
