| Wicklow to Oberkirch | 687.62 mi (1,106.62 km) |
| Wicklow to Obernburg am Main | 687.43 mi (1,106.31 km) |
| Wicklow to Obernkirchen | 636.20 mi (1,023.86 km) |
| Wicklow to Oberschleissheim | 835.14 mi (1,344.03 km) |
| Wicklow to Oberstdorf | 815.09 mi (1,311.76 km) |
| Wicklow to Obertraubling | 836.21 mi (1,345.75 km) |
| Wicklow to Obertshausen | 668.59 mi (1,075.99 km) |
| Wicklow to Oberursel | 654.45 mi (1,053.24 km) |
| Wicklow to Ochsenfurt | 730.48 mi (1,175.59 km) |
| Wicklow to Ochsenhausen | 777.25 mi (1,250.87 km) |
| Wicklow to Ochtrup | 556.79 mi (896.06 km) |
| Wicklow to Odenthal | 574.31 mi (924.26 km) |
| Wicklow to Oelde | 602.03 mi (968.88 km) |
| Wicklow to Oelsnitz | 796.90 mi (1,282.49 km) |
| Wicklow to Oer-Erkenschwick | 567.83 mi (913.83 km) |
