| Pyrgos to Oberkirch | 1,005.69 mi (1,618.50 km) |
| Pyrgos to Obernburg am Main | 1,038.15 mi (1,670.74 km) |
| Pyrgos to Obernkirchen | 1,171.09 mi (1,884.69 km) |
| Pyrgos to Oberschleissheim | 883.62 mi (1,422.04 km) |
| Pyrgos to Oberstdorf | 878.87 mi (1,414.40 km) |
| Pyrgos to Obertraubling | 907.56 mi (1,460.58 km) |
| Pyrgos to Obertshausen | 1,058.96 mi (1,704.23 km) |
| Pyrgos to Oberursel | 1,073.53 mi (1,727.68 km) |
| Pyrgos to Ochsenfurt | 1,001.72 mi (1,612.12 km) |
| Pyrgos to Ochsenhausen | 922.65 mi (1,484.86 km) |
| Pyrgos to Ochtrup | 1,217.68 mi (1,959.66 km) |
| Pyrgos to Odenthal | 1,158.96 mi (1,865.17 km) |
| Pyrgos to Oelde | 1,171.92 mi (1,886.03 km) |
| Pyrgos to Oelsnitz | 992.13 mi (1,596.67 km) |
| Pyrgos to Oer-Erkenschwick | 1,186.42 mi (1,909.36 km) |
