| Lake Butler to Oberkirch | 4,755.59 mi (7,653.38 km) |
| Lake Butler to Obernburg am Main | 4,770.25 mi (7,676.98 km) |
| Lake Butler to Obernkirchen | 4,713.86 mi (7,586.23 km) |
| Lake Butler to Oberschleissheim | 4,911.98 mi (7,905.07 km) |
| Lake Butler to Oberstdorf | 4,877.87 mi (7,850.17 km) |
| Lake Butler to Obertraubling | 4,918.87 mi (7,916.15 km) |
| Lake Butler to Obertshausen | 4,752.09 mi (7,647.75 km) |
| Lake Butler to Oberursel | 4,738.25 mi (7,625.48 km) |
| Lake Butler to Ochsenfurt | 4,813.56 mi (7,746.67 km) |
| Lake Butler to Ochsenhausen | 4,847.02 mi (7,800.52 km) |
| Lake Butler to Ochtrup | 4,637.68 mi (7,463.63 km) |
| Lake Butler to Odenthal | 4,659.31 mi (7,498.43 km) |
| Lake Butler to Oelde | 4,684.42 mi (7,538.85 km) |
| Lake Butler to Oelsnitz | 4,881.53 mi (7,856.06 km) |
| Lake Butler to Oer-Erkenschwick | 4,651.93 mi (7,486.56 km) |
