| Portet-sur-Garonne to Obernburg am Main | 569.48 mi (916.49 km) |
| Portet-sur-Garonne to Obernkirchen | 701.01 mi (1,128.16 km) |
| Portet-sur-Garonne to Oberschleissheim | 587.05 mi (944.77 km) |
| Portet-sur-Garonne to Oberstdorf | 506.51 mi (815.15 km) |
| Portet-sur-Garonne to Obertraubling | 636.10 mi (1,023.70 km) |
| Portet-sur-Garonne to Obertshausen | 572.04 mi (920.61 km) |
| Portet-sur-Garonne to Oberursel | 572.03 mi (920.60 km) |
| Portet-sur-Garonne to Ochsenfurt | 589.52 mi (948.74 km) |
| Portet-sur-Garonne to Ochsenhausen | 517.33 mi (832.56 km) |
| Portet-sur-Garonne to Ochtrup | 656.66 mi (1,056.78 km) |
| Portet-sur-Garonne to Odenthal | 583.53 mi (939.10 km) |
| Portet-sur-Garonne to Oelde | 653.72 mi (1,052.05 km) |
| Portet-sur-Garonne to Oelsnitz | 694.66 mi (1,117.95 km) |
| Portet-sur-Garonne to Oer-Erkenschwick | 623.20 mi (1,002.95 km) |
| Portet-sur-Garonne to Oerlinghausen | 673.20 mi (1,083.42 km) |
