| Comarnic to Oberkirch | 857.06 mi (1,379.30 km) |
| Comarnic to Obernburg am Main | 829.81 mi (1,335.46 km) |
| Comarnic to Obernkirchen | 891.79 mi (1,435.19 km) |
| Comarnic to Oberschleissheim | 696.34 mi (1,120.65 km) |
| Comarnic to Oberstdorf | 746.34 mi (1,201.12 km) |
| Comarnic to Obertraubling | 682.20 mi (1,097.90 km) |
| Comarnic to Obertshausen | 847.38 mi (1,363.72 km) |
| Comarnic to Oberursel | 860.97 mi (1,385.60 km) |
| Comarnic to Ochsenfurt | 786.47 mi (1,265.71 km) |
| Comarnic to Ochsenhausen | 767.48 mi (1,235.13 km) |
| Comarnic to Ochtrup | 964.30 mi (1,551.90 km) |
| Comarnic to Odenthal | 939.21 mi (1,511.52 km) |
| Comarnic to Oelde | 916.73 mi (1,475.34 km) |
| Comarnic to Oelsnitz | 717.91 mi (1,155.37 km) |
| Comarnic to Oer-Erkenschwick | 947.61 mi (1,525.03 km) |
