| Selargius to Oberkirch | 643.38 mi (1,035.42 km) |
| Selargius to Obernburg am Main | 731.44 mi (1,177.14 km) |
| Selargius to Obernkirchen | 899.09 mi (1,446.95 km) |
| Selargius to Oberschleissheim | 632.99 mi (1,018.70 km) |
| Selargius to Oberstdorf | 566.30 mi (911.38 km) |
| Selargius to Obertraubling | 687.26 mi (1,106.05 km) |
| Selargius to Obertshausen | 747.28 mi (1,202.63 km) |
| Selargius to Oberursel | 757.08 mi (1,218.40 km) |
| Selargius to Ochsenfurt | 719.69 mi (1,158.23 km) |
| Selargius to Ochsenhausen | 610.56 mi (982.60 km) |
| Selargius to Ochtrup | 899.83 mi (1,448.14 km) |
| Selargius to Odenthal | 819.88 mi (1,319.47 km) |
| Selargius to Oelde | 870.52 mi (1,400.96 km) |
| Selargius to Oelsnitz | 785.05 mi (1,263.42 km) |
| Selargius to Oer-Erkenschwick | 860.87 mi (1,385.44 km) |
