| Islington to Oberkirch | 418.26 mi (673.13 km) |
| Islington to Obernburg am Main | 421.06 mi (677.64 km) |
| Islington to Obernkirchen | 395.93 mi (637.19 km) |
| Islington to Oberschleissheim | 566.23 mi (911.26 km) |
| Islington to Oberstdorf | 545.90 mi (878.54 km) |
| Islington to Obertraubling | 569.73 mi (916.90 km) |
| Islington to Obertshausen | 403.02 mi (648.60 km) |
| Islington to Oberursel | 389.35 mi (626.59 km) |
| Islington to Ochsenfurt | 464.37 mi (747.34 km) |
| Islington to Ochsenhausen | 507.71 mi (817.08 km) |
| Islington to Ochtrup | 314.30 mi (505.82 km) |
| Islington to Odenthal | 313.81 mi (505.04 km) |
| Islington to Oelde | 353.87 mi (569.49 km) |
| Islington to Oelsnitz | 538.72 mi (866.98 km) |
| Islington to Oer-Erkenschwick | 315.58 mi (507.88 km) |
