| Laguna de Duero to Oberkirch | 786.22 mi (1,265.29 km) |
| Laguna de Duero to Obernburg am Main | 876.43 mi (1,410.48 km) |
| Laguna de Duero to Obernkirchen | 982.05 mi (1,580.46 km) |
| Laguna de Duero to Oberschleissheim | 917.56 mi (1,476.68 km) |
| Laguna de Duero to Oberstdorf | 839.58 mi (1,351.17 km) |
| Laguna de Duero to Obertraubling | 963.23 mi (1,550.18 km) |
| Laguna de Duero to Obertshausen | 874.60 mi (1,407.53 km) |
| Laguna de Duero to Oberursel | 871.33 mi (1,402.26 km) |
| Laguna de Duero to Ochsenfurt | 903.41 mi (1,453.89 km) |
| Laguna de Duero to Ochsenhausen | 844.88 mi (1,359.71 km) |
| Laguna de Duero to Ochtrup | 922.00 mi (1,483.82 km) |
| Laguna de Duero to Odenthal | 861.16 mi (1,385.91 km) |
| Laguna de Duero to Oelde | 931.66 mi (1,499.36 km) |
| Laguna de Duero to Oelsnitz | 1,010.54 mi (1,626.31 km) |
| Laguna de Duero to Oer-Erkenschwick | 895.22 mi (1,440.72 km) |
