| Arganil to Oberkirch | 979.21 mi (1,575.88 km) |
| Arganil to Obernburg am Main | 1,066.65 mi (1,716.60 km) |
| Arganil to Obernkirchen | 1,163.22 mi (1,872.01 km) |
| Arganil to Oberschleissheim | 1,114.00 mi (1,792.82 km) |
| Arganil to Oberstdorf | 1,036.74 mi (1,668.47 km) |
| Arganil to Obertraubling | 1,158.70 mi (1,864.75 km) |
| Arganil to Obertshausen | 1,063.57 mi (1,711.65 km) |
| Arganil to Oberursel | 1,059.38 mi (1,704.91 km) |
| Arganil to Ochsenfurt | 1,095.41 mi (1,762.89 km) |
| Arganil to Ochsenhausen | 1,040.75 mi (1,674.92 km) |
| Arganil to Ochtrup | 1,098.79 mi (1,768.33 km) |
| Arganil to Odenthal | 1,042.86 mi (1,678.31 km) |
| Arganil to Oelde | 1,112.44 mi (1,790.30 km) |
| Arganil to Oelsnitz | 1,202.60 mi (1,935.40 km) |
| Arganil to Oer-Erkenschwick | 1,074.62 mi (1,729.43 km) |
