| Elmhurst to Oberkirch | 4,376.53 mi (7,043.34 km) |
| Elmhurst to Obernburg am Main | 4,365.46 mi (7,025.53 km) |
| Elmhurst to Obernkirchen | 4,271.81 mi (6,874.81 km) |
| Elmhurst to Oberschleissheim | 4,518.51 mi (7,271.83 km) |
| Elmhurst to Oberstdorf | 4,504.25 mi (7,248.88 km) |
| Elmhurst to Obertraubling | 4,511.43 mi (7,260.44 km) |
| Elmhurst to Obertshausen | 4,345.35 mi (6,993.16 km) |
| Elmhurst to Oberursel | 4,330.66 mi (6,969.53 km) |
| Elmhurst to Ochsenfurt | 4,406.96 mi (7,092.31 km) |
| Elmhurst to Ochsenhausen | 4,465.13 mi (7,185.93 km) |
| Elmhurst to Ochtrup | 4,205.28 mi (6,767.74 km) |
| Elmhurst to Odenthal | 4,245.74 mi (6,832.85 km) |
| Elmhurst to Oelde | 4,253.51 mi (6,845.37 km) |
| Elmhurst to Oelsnitz | 4,452.55 mi (7,165.69 km) |
| Elmhurst to Oer-Erkenschwick | 4,228.13 mi (6,804.52 km) |
