| Senglea to Oberkirch | 932.85 mi (1,501.27 km) |
| Senglea to Obernburg am Main | 1,001.04 mi (1,611.01 km) |
| Senglea to Obernkirchen | 1,162.13 mi (1,870.27 km) |
| Senglea to Oberschleissheim | 867.27 mi (1,395.73 km) |
| Senglea to Oberstdorf | 825.27 mi (1,328.14 km) |
| Senglea to Obertraubling | 911.40 mi (1,466.75 km) |
| Senglea to Obertshausen | 1,020.17 mi (1,641.80 km) |
| Senglea to Oberursel | 1,032.74 mi (1,662.04 km) |
| Senglea to Ochsenfurt | 976.84 mi (1,572.08 km) |
| Senglea to Ochsenhausen | 873.54 mi (1,405.82 km) |
| Senglea to Ochtrup | 1,183.23 mi (1,904.22 km) |
| Senglea to Odenthal | 1,108.93 mi (1,784.66 km) |
| Senglea to Oelde | 1,145.38 mi (1,843.31 km) |
| Senglea to Oelsnitz | 1,010.68 mi (1,626.53 km) |
| Senglea to Oer-Erkenschwick | 1,145.92 mi (1,844.18 km) |
