| Lake Stickney to Oberkirch | 5,143.40 mi (8,277.50 km) |
| Lake Stickney to Obernburg am Main | 5,091.90 mi (8,194.62 km) |
| Lake Stickney to Obernkirchen | 4,948.91 mi (7,964.49 km) |
| Lake Stickney to Oberschleissheim | 5,242.47 mi (8,436.94 km) |
| Lake Stickney to Oberstdorf | 5,262.51 mi (8,469.20 km) |
| Lake Stickney to Obertraubling | 5,213.18 mi (8,389.80 km) |
| Lake Stickney to Obertshausen | 5,071.37 mi (8,161.59 km) |
| Lake Stickney to Oberursel | 5,057.36 mi (8,139.03 km) |
| Lake Stickney to Ochsenfurt | 5,124.59 mi (8,247.23 km) |
| Lake Stickney to Ochsenhausen | 5,215.31 mi (8,393.23 km) |
| Lake Stickney to Ochtrup | 4,908.48 mi (7,899.43 km) |
| Lake Stickney to Odenthal | 4,974.59 mi (8,005.83 km) |
| Lake Stickney to Oelde | 4,952.23 mi (7,969.85 km) |
| Lake Stickney to Oelsnitz | 5,126.15 mi (8,249.74 km) |
| Lake Stickney to Oer-Erkenschwick | 4,942.48 mi (7,954.16 km) |
