| Apache Junction to Oberkirch | 5,665.30 mi (9,117.42 km) |
| Apache Junction to Obernburg am Main | 5,638.39 mi (9,074.11 km) |
| Apache Junction to Obernkirchen | 5,522.63 mi (8,887.82 km) |
| Apache Junction to Oberschleissheim | 5,793.71 mi (9,324.08 km) |
| Apache Junction to Oberstdorf | 5,792.37 mi (9,321.92 km) |
| Apache Junction to Obertraubling | 5,777.68 mi (9,298.27 km) |
| Apache Junction to Obertshausen | 5,617.68 mi (9,040.78 km) |
| Apache Junction to Oberursel | 5,602.94 mi (9,017.06 km) |
| Apache Junction to Ochsenfurt | 5,677.29 mi (9,136.72 km) |
| Apache Junction to Ochsenhausen | 5,749.38 mi (9,252.73 km) |
| Apache Junction to Ochtrup | 5,465.32 mi (8,795.58 km) |
| Apache Junction to Odenthal | 5,517.00 mi (8,878.76 km) |
| Apache Junction to Oelde | 5,512.83 mi (8,872.04 km) |
| Apache Junction to Oelsnitz | 5,706.04 mi (9,182.99 km) |
| Apache Junction to Oer-Erkenschwick | 5,493.21 mi (8,840.47 km) |
