| Kalamata to Oberkirch | 1,062.82 mi (1,710.44 km) |
| Kalamata to Obernburg am Main | 1,094.73 mi (1,761.80 km) |
| Kalamata to Obernkirchen | 1,226.64 mi (1,974.09 km) |
| Kalamata to Oberschleissheim | 940.06 mi (1,512.87 km) |
| Kalamata to Oberstdorf | 935.94 mi (1,506.24 km) |
| Kalamata to Obertraubling | 963.38 mi (1,550.42 km) |
| Kalamata to Obertshausen | 1,115.54 mi (1,795.28 km) |
| Kalamata to Oberursel | 1,130.12 mi (1,818.76 km) |
| Kalamata to Ochsenfurt | 1,058.09 mi (1,702.84 km) |
| Kalamata to Ochsenhausen | 979.61 mi (1,576.53 km) |
| Kalamata to Ochtrup | 1,273.90 mi (2,050.15 km) |
| Kalamata to Odenthal | 1,215.62 mi (1,956.36 km) |
| Kalamata to Oelde | 1,228.01 mi (1,976.29 km) |
| Kalamata to Oelsnitz | 1,047.15 mi (1,685.23 km) |
| Kalamata to Oer-Erkenschwick | 1,242.84 mi (2,000.16 km) |
