| Aranda de Duero to Oberkirch | 742.34 mi (1,194.68 km) |
| Aranda de Duero to Obernburg am Main | 834.42 mi (1,342.87 km) |
| Aranda de Duero to Obernkirchen | 945.23 mi (1,521.21 km) |
| Aranda de Duero to Oberschleissheim | 870.37 mi (1,400.73 km) |
| Aranda de Duero to Oberstdorf | 791.55 mi (1,273.88 km) |
| Aranda de Duero to Obertraubling | 917.00 mi (1,475.77 km) |
| Aranda de Duero to Obertshausen | 833.42 mi (1,341.26 km) |
| Aranda de Duero to Oberursel | 830.75 mi (1,336.96 km) |
| Aranda de Duero to Ochsenfurt | 860.08 mi (1,384.17 km) |
| Aranda de Duero to Ochsenhausen | 798.37 mi (1,284.86 km) |
| Aranda de Duero to Ochtrup | 887.65 mi (1,428.54 km) |
| Aranda de Duero to Odenthal | 824.39 mi (1,326.73 km) |
| Aranda de Duero to Oelde | 895.18 mi (1,440.66 km) |
| Aranda de Duero to Oelsnitz | 967.03 mi (1,556.29 km) |
| Aranda de Duero to Oer-Erkenschwick | 859.59 mi (1,383.38 km) |
