| Elko to Oberkirch | 5,376.99 mi (8,653.43 km) |
| Elko to Obernburg am Main | 5,338.13 mi (8,590.90 km) |
| Elko to Obernkirchen | 5,208.48 mi (8,382.23 km) |
| Elko to Oberschleissheim | 5,492.50 mi (8,839.33 km) |
| Elko to Oberstdorf | 5,501.36 mi (8,853.58 km) |
| Elko to Obertraubling | 5,470.02 mi (8,803.14 km) |
| Elko to Obertshausen | 5,317.33 mi (8,557.42 km) |
| Elko to Oberursel | 5,302.81 mi (8,534.05 km) |
| Elko to Ochsenfurt | 5,374.41 mi (8,649.28 km) |
| Elko to Ochsenhausen | 5,455.99 mi (8,780.56 km) |
| Elko to Ochtrup | 5,158.67 mi (8,302.07 km) |
| Elko to Odenthal | 5,217.64 mi (8,396.98 km) |
| Elko to Oelde | 5,204.81 mi (8,376.33 km) |
| Elko to Oelsnitz | 5,390.48 mi (8,675.14 km) |
| Elko to Oer-Erkenschwick | 5,189.70 mi (8,352.01 km) |
