| Saint Austell to Oberkirch | 590.91 mi (950.99 km) |
| Saint Austell to Obernburg am Main | 617.63 mi (993.97 km) |
| Saint Austell to Obernkirchen | 614.31 mi (988.63 km) |
| Saint Austell to Oberschleissheim | 749.43 mi (1,206.09 km) |
| Saint Austell to Oberstdorf | 712.66 mi (1,146.92 km) |
| Saint Austell to Obertraubling | 762.74 mi (1,227.52 km) |
| Saint Austell to Obertshausen | 601.93 mi (968.72 km) |
| Saint Austell to Oberursel | 589.58 mi (948.83 km) |
| Saint Austell to Ochsenfurt | 660.50 mi (1,062.98 km) |
| Saint Austell to Ochsenhausen | 682.26 mi (1,098.00 km) |
| Saint Austell to Ochtrup | 532.97 mi (857.74 km) |
| Saint Austell to Odenthal | 522.83 mi (841.42 km) |
| Saint Austell to Oelde | 570.20 mi (917.65 km) |
| Saint Austell to Oelsnitz | 745.54 mi (1,199.83 km) |
| Saint Austell to Oer-Erkenschwick | 530.69 mi (854.07 km) |
