| Kifisia to Oberkirch | 1,067.16 mi (1,717.43 km) |
| Kifisia to Obernburg am Main | 1,088.13 mi (1,751.18 km) |
| Kifisia to Obernkirchen | 1,208.66 mi (1,945.15 km) |
| Kifisia to Oberschleissheim | 932.85 mi (1,501.28 km) |
| Kifisia to Oberstdorf | 939.32 mi (1,511.69 km) |
| Kifisia to Obertraubling | 949.54 mi (1,528.14 km) |
| Kifisia to Obertshausen | 1,108.82 mi (1,784.47 km) |
| Kifisia to Oberursel | 1,123.57 mi (1,808.21 km) |
| Kifisia to Ochsenfurt | 1,049.15 mi (1,688.44 km) |
| Kifisia to Ochsenhausen | 980.10 mi (1,577.31 km) |
| Kifisia to Ochtrup | 1,262.08 mi (2,031.12 km) |
| Kifisia to Odenthal | 1,209.51 mi (1,946.51 km) |
| Kifisia to Oelde | 1,214.98 mi (1,955.32 km) |
| Kifisia to Oelsnitz | 1,026.21 mi (1,651.52 km) |
| Kifisia to Oer-Erkenschwick | 1,233.41 mi (1,984.99 km) |
