| Preveza to Oberkirch | 912.64 mi (1,468.75 km) |
| Preveza to Obernburg am Main | 943.02 mi (1,517.64 km) |
| Preveza to Obernkirchen | 1,074.86 mi (1,729.81 km) |
| Preveza to Oberschleissheim | 788.24 mi (1,268.55 km) |
| Preveza to Oberstdorf | 785.42 mi (1,264.01 km) |
| Preveza to Obertraubling | 811.49 mi (1,305.96 km) |
| Preveza to Obertshausen | 963.82 mi (1,551.12 km) |
| Preveza to Oberursel | 978.43 mi (1,574.63 km) |
| Preveza to Ochsenfurt | 906.23 mi (1,458.44 km) |
| Preveza to Ochsenhausen | 828.63 mi (1,333.56 km) |
| Preveza to Ochtrup | 1,121.99 mi (1,805.66 km) |
| Preveza to Odenthal | 1,064.00 mi (1,712.34 km) |
| Preveza to Oelde | 1,076.08 mi (1,731.79 km) |
| Preveza to Oelsnitz | 895.72 mi (1,441.51 km) |
| Preveza to Oer-Erkenschwick | 1,091.00 mi (1,755.80 km) |
