| Kardla to Obernburg am Main | 833.22 mi (1,340.94 km) |
| Kardla to Obernkirchen | 703.98 mi (1,132.94 km) |
| Kardla to Oberschleissheim | 870.01 mi (1,400.15 km) |
| Kardla to Oberstdorf | 949.13 mi (1,527.48 km) |
| Kardla to Obertraubling | 813.48 mi (1,309.17 km) |
| Kardla to Obertshausen | 828.60 mi (1,333.51 km) |
| Kardla to Oberursel | 827.90 mi (1,332.37 km) |
| Kardla to Ochsenfurt | 820.72 mi (1,320.82 km) |
| Kardla to Ochsenhausen | 916.47 mi (1,474.92 km) |
| Kardla to Ochtrup | 764.36 mi (1,230.11 km) |
| Kardla to Odenthal | 824.76 mi (1,327.33 km) |
| Kardla to Oelde | 753.96 mi (1,213.38 km) |
| Kardla to Oelsnitz | 726.12 mi (1,168.58 km) |
| Kardla to Oer-Erkenschwick | 790.06 mi (1,271.49 km) |
| Kardla to Oerlinghausen | 732.17 mi (1,178.32 km) |
