| Citrus to Oberkirch | 5,828.79 mi (9,380.53 km) |
| Citrus to Obernburg am Main | 5,793.66 mi (9,323.99 km) |
| Citrus to Obernkirchen | 5,667.93 mi (9,121.66 km) |
| Citrus to Oberschleissheim | 5,948.56 mi (9,573.29 km) |
| Citrus to Oberstdorf | 5,954.24 mi (9,582.42 km) |
| Citrus to Obertraubling | 5,927.98 mi (9,540.16 km) |
| Citrus to Obertshausen | 5,772.85 mi (9,290.50 km) |
| Citrus to Oberursel | 5,758.24 mi (9,266.99 km) |
| Citrus to Ochsenfurt | 5,830.79 mi (9,383.76 km) |
| Citrus to Ochsenhausen | 5,909.55 mi (9,510.51 km) |
| Citrus to Ochtrup | 5,615.85 mi (9,037.83 km) |
| Citrus to Odenthal | 5,672.69 mi (9,129.32 km) |
| Citrus to Oelde | 5,662.47 mi (9,112.86 km) |
| Citrus to Oelsnitz | 5,850.60 mi (9,415.64 km) |
| Citrus to Oer-Erkenschwick | 5,645.98 mi (9,086.33 km) |
