| Elk Plain to Oberkirch | 5,194.98 mi (8,360.51 km) |
| Elk Plain to Obernburg am Main | 5,144.06 mi (8,278.57 km) |
| Elk Plain to Obernkirchen | 5,001.62 mi (8,049.33 km) |
| Elk Plain to Oberschleissheim | 5,294.87 mi (8,521.27 km) |
| Elk Plain to Oberstdorf | 5,314.40 mi (8,552.70 km) |
| Elk Plain to Obertraubling | 5,265.88 mi (8,474.61 km) |
| Elk Plain to Obertshausen | 5,123.51 mi (8,245.50 km) |
| Elk Plain to Oberursel | 5,109.47 mi (8,222.89 km) |
| Elk Plain to Ochsenfurt | 5,176.93 mi (8,331.47 km) |
| Elk Plain to Ochsenhausen | 5,267.26 mi (8,476.83 km) |
| Elk Plain to Ochtrup | 4,960.75 mi (7,983.55 km) |
| Elk Plain to Odenthal | 5,026.55 mi (8,089.45 km) |
| Elk Plain to Oelde | 5,004.63 mi (8,054.18 km) |
| Elk Plain to Oelsnitz | 5,179.15 mi (8,335.04 km) |
| Elk Plain to Oer-Erkenschwick | 4,994.63 mi (8,038.08 km) |
